WINUI3 Archives - 28 중 26 번째 페이지

[C#/WINUI3/.NET6] TeachingTip 엘리먼트 : Target/Title/Subtitle 속성 사용하기

■ TeachingTip 엘리먼트의 Target/Title/Subtitle 속성을 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <Grid>
        <Button Name="showTeachingTipButton"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Padding="5"
            Content="Show TeachingTip" />
        <TeachingTip Name="teachingTip"
            Target="{x:Bind showTeachingTipButton}"
            Title="This is the title"
            Subtitle="And this is the subtitle">
            <TeachingTip.IconSource>
                <SymbolIconSource Symbol="Refresh" />
            </TeachingTip.IconSource>
        </TeachingTip>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<Grid>

<Button Name="showTeachingTipButton"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Padding="5"

Content="Show TeachingTip" />

<TeachingTip Name="teachingTip"

Target="{x:Bind showTeachingTipButton}"

Title="This is the title"

Subtitle="And this is the subtitle">

<TeachingTip.IconSource>

</TeachingTip.IconSource>

</TeachingTip>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.showTeachingTipButton.Click += showTeachingTipButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Show TeachingTip 버튼 클릭시 처리하기 - showTeachingTipButton_Click(sender, e)

        /// <summary>
        /// Show TeachingTip 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void showTeachingTipButton_Click(object sender, RoutedEventArgs e)
        {
            this.teachingTip.IsOpen = true;
        }

        #endregion
    }
}

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.showTeachingTipButton.Click += showTeachingTipButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Show TeachingTip 버튼 클릭시 처리하기 - showTeachingTipButton_Click(sender, e)

/// <summary>

/// Show TeachingTip 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void showTeachingTipButton_Click(object sender, RoutedEventArgs e)

{

this.teachingTip.IsOpen = true;

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] Button 엘리먼트 : Flyout 속성에서 Flyout 엘리먼트를 사용해 플라이아웃 표시하기

■ Button 엘리먼트의 Flyout 속성에서 Flyout 엘리먼트를 사용해 플라이아웃을 표시하는 방법을 보여준다. ※ 플라이아웃은 정보나 사용자 상호 작용이 필요한 간단한 UI를 표시한다.

[C#/WINUI3/.NET6] ContentDialog 클래스 : 대화 상자 표시하기 2

■ ContentDialog 클래스를 사용해 대화 상자를 표시하는 방법을 보여준다. ▶ CustomContentDialog.xaml


<ContentDialog x:Class="TestProject.CustomContentDialog"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Save your work?"
    DefaultButton="Primary"
    PrimaryButtonText="Save"
    SecondaryButtonText="Don't Save"
    CloseButtonText="Cancel">
    <StackPanel
        HorizontalAlignment="Stretch"
        VerticalAlignment="Stretch">
        <TextBlock
            TextWrapping="Wrap"
            Text="Lorem ipsum dolor sit amet, adipisicing elit." />
        <CheckBox Content="Upload your content to the cloud." />
    </StackPanel>
</ContentDialog>

<ContentDialog x:Class="TestProject.CustomContentDialog"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="Save your work?"

DefaultButton="Primary"

PrimaryButtonText="Save"

SecondaryButtonText="Don't Save"

CloseButtonText="Cancel">

<StackPanel

HorizontalAlignment="Stretch"

VerticalAlignment="Stretch">

<TextBlock

TextWrapping="Wrap"

Text="Lorem ipsum dolor sit amet, adipisicing elit." />

</StackPanel>

</ContentDialog>

▶ CustomContentDialog.xaml.cs


using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 커스텀 컨텐트 대화 상자
    /// </summary>
    public sealed partial class CustomContentDialog : ContentDialog
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - CustomContentDialog()

        /// <summary>
        /// 생성자
        /// </summary>
        public CustomContentDialog()
        {
            InitializeComponent();
        }

        #endregion
    }
}

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 커스텀 컨텐트 대화 상자

/// </summary>

public sealed partial class CustomContentDialog : ContentDialog

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - CustomContentDialog()

/// <summary>

/// 생성자

/// </summary>

public CustomContentDialog()

{

InitializeComponent();

}

#endregion

}

▶ CustomContentDialogContentPage.xaml


<Page x:Class="TestProject.CustomContentDialogContentPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <StackPanel
        HorizontalAlignment="Stretch"
        VerticalAlignment="Stretch">
        <TextBlock
            TextWrapping="Wrap"
            Text="Lorem ipsum dolor sit amet, adipisicing elit." />
        <CheckBox Content="Upload your content to the cloud." />
    </StackPanel>
</Page>

<Page x:Class="TestProject.CustomContentDialogContentPage"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

<StackPanel

HorizontalAlignment="Stretch"

VerticalAlignment="Stretch">

<TextBlock

TextWrapping="Wrap"

Text="Lorem ipsum dolor sit amet, adipisicing elit." />

</StackPanel>

</Page>

▶ CustomContentDialogContentPage.xaml.cs


using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 커스텀 컨텐트 대화 상자 컨텐트 페이지
    /// </summary>
    public sealed partial class CustomContentDialogContentPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - CustomContentDialogContentPage()

        /// <summary>
        /// 생성자
        /// </summary>
        public CustomContentDialogContentPage()
        {
            InitializeComponent();
        }

        #endregion
    }
}

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 커스텀 컨텐트 대화 상자 컨텐트 페이지

/// </summary>

public sealed partial class CustomContentDialogContentPage : Page

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - CustomContentDialogContentPage()

/// <summary>

/// 생성자

/// </summary>

public CustomContentDialogContentPage()

{

InitializeComponent();

}

#endregion

}

▶

[C#/WINUI3/.NET6] TimePicker 엘리먼트 : MinuteIncrement/ClockIdentifier 속성 사용하기

■ TimePicker 엘리먼트의 MinuteIncrement/ClockIdentifier 속성을 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <StackPanel
        HorizontalAlignment="Center"
        VerticalAlignment="Center">
        <TimePicker Name="timePicker1" />
        <TextBlock
            Margin="0 10 0 0"
            Text="{x:Bind timePicker1.Time, Mode=OneWay}" />
        <TimePicker Name="timePicker2"
            Margin="0 30 0 0"
            Header="Arrival time"
            MinuteIncrement="15" />
        <TextBlock
            Margin="0 10 0 0"
            Text="{x:Bind timePicker2.Time, Mode=OneWay}" />
        <TimePicker Name="timePicker3"
            Margin="0 30 0 0"
            Header="24 hour clock"
            ClockIdentifier="24HourClock" />
        <TextBlock
            Margin="0 10 0 0"
            Text="{x:Bind timePicker3.Time, Mode=OneWay}" />
    </StackPanel>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<StackPanel

HorizontalAlignment="Center"

VerticalAlignment="Center">

<TextBlock

Margin="0 10 0 0"

Text="{x:Bind timePicker1.Time, Mode=OneWay}" />

<TimePicker Name="timePicker2"

Margin="0 30 0 0"

Header="Arrival time"

MinuteIncrement="15" />

<TextBlock

Margin="0 10 0 0"

Text="{x:Bind timePicker2.Time, Mode=OneWay}" />

<TimePicker Name="timePicker3"

Margin="0 30 0 0"

Header="24 hour clock"

ClockIdentifier="24HourClock" />

<TextBlock

Margin="0 10 0 0"

Text="{x:Bind timePicker3.Time, Mode=OneWay}" />

</StackPanel>

</Window>

▶ MainWindow.xaml.cs


using System;

using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.timePicker1.Time = DateTime.Now.TimeOfDay;
            this.timePicker2.Time = DateTime.Now.TimeOfDay;
            this.timePicker3.Time = DateTime.Now.TimeOfDay;
        }

        #endregion
    }
}

using System;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.timePicker1.Time = DateTime.Now.TimeOfDay;

this.timePicker2.Time = DateTime.Now.TimeOfDay;

this.timePicker3.Time = DateTime.Now.TimeOfDay;

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] DatePicker 엘리먼트 : DayFormat/YearVisible 속성 사용하기

■ DatePicker 엘리먼트의 DayFormat/YearVisible 속성을 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <StackPanel
        HorizontalAlignment="Center"
        VerticalAlignment="Center">
        <DatePicker Name="datePicker1"
            HorizontalAlignment="Center"
            Header="Pick a date" />
        <TextBlock
            HorizontalAlignment="Center"
            Margin="0 10 0 0"
            Text="{x:Bind datePicker1.Date, Mode=OneWay}" />
        <DatePicker Name="datePicker2"
            HorizontalAlignment="Center"
            Margin="0 30 0 0"
            DayFormat="{}{day.integer} ({dayofweek.abbreviated})"
            YearVisible="False" />
        <TextBlock
            HorizontalAlignment="Center"
            Margin="0 10 0 0"
            Text="{x:Bind datePicker2.Date.ToString(), Mode=OneWay}" />
    </StackPanel>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<StackPanel

HorizontalAlignment="Center"

VerticalAlignment="Center">

<DatePicker Name="datePicker1"

HorizontalAlignment="Center"

Header="Pick a date" />

<TextBlock

HorizontalAlignment="Center"

Margin="0 10 0 0"

Text="{x:Bind datePicker1.Date, Mode=OneWay}" />

<DatePicker Name="datePicker2"

HorizontalAlignment="Center"

Margin="0 30 0 0"

DayFormat="{}{day.integer} ({dayofweek.abbreviated})"

YearVisible="False" />

<TextBlock

HorizontalAlignment="Center"

Margin="0 10 0 0"

Text="{x:Bind datePicker2.Date.ToString(), Mode=OneWay}" />

</StackPanel>

</Window>

▶ MainWindow.xaml.cs


using System;

using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.datePicker1.Date = DateTime.Now;

            this.datePicker2.MinYear = DateTimeOffset.Now;
            this.datePicker2.MaxYear = DateTimeOffset.Now.AddYears(5);
            this.datePicker2.Date    = DateTimeOffset.Now.AddMonths(2);
        }

        #endregion
    }
}

using System;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.datePicker1.Date = DateTime.Now;

this.datePicker2.MinYear = DateTimeOffset.Now;

this.datePicker2.MaxYear = DateTimeOffset.Now.AddYears(5);

this.datePicker2.Date = DateTimeOffset.Now.AddMonths(2);

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] CalendarView 엘리먼트 사용하기

■ CalendarView 엘리먼트를 사용하는 방법을 보여준다. ▶ LanguageInfo.cs


namespace TestProject
{
    /// <summary>
    /// 언어 정보
    /// </summary>
    public class LanguageInfo
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 명칭 - Name

        /// <summary>
        /// 명칭
        /// </summary>
        public string Name { get; set; }

        #endregion
        #region 코드 - Code

        /// <summary>
        /// 코드
        /// </summary>
        public string Code { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - Language(name, code)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="name">명칭</param>
        /// <param name="code">코드</param>
        public LanguageInfo(string name, string code)
        {
            Name = name;
            Code = code;
        }

        #endregion
    }
}

namespace TestProject

{

/// <summary>

/// 언어 정보

/// </summary>

public class LanguageInfo

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 명칭 - Name

/// <summary>

/// 명칭

/// </summary>

public string Name { get; set; }

#endregion

#region 코드 - Code

/// <summary>

/// 코드

/// </summary>

public string Code { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - Language(name, code)

/// <summary>

/// 생성자

/// </summary>

/// <param name="name">명칭</param>

/// <param name="code">코드</param>

public LanguageInfo(string name, string code)

{

Name = name;

Code = code;

}

#endregion

}

▶ LanguageHelper.cs


using System.Collections.Generic;

namespace TestProject
{
    /// <summary>
    /// 언어 헬퍼
    /// </summary>
    public class LanguageHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 언어 정보 리스트
        /// </summary>
        private List<LanguageInfo> languageInfoList;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 언어 정보 리스트 - LanguageInfoList

        /// <summary>
        /// 언어 정보 리스트
        /// </summary>
        public List<LanguageInfo> LanguageInfoList
        {
            get
            {
                return this.languageInfoList;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - LanguageHelper()

        /// <summary>
        /// 생성자
        /// </summary>
        public LanguageHelper()
        {
            if(this.languageInfoList == null)
            {
                this.languageInfoList = new List<LanguageInfo>();
            }

            this.languageInfoList.Add(new LanguageInfo("English"             , "en" ));
            this.languageInfoList.Add(new LanguageInfo("Arabic"              , "ar" ));
            this.languageInfoList.Add(new LanguageInfo("Afrikaans"           , "af" ));
            this.languageInfoList.Add(new LanguageInfo("Albanian"            , "sq" ));
            this.languageInfoList.Add(new LanguageInfo("Amharic"             , "am" ));
            this.languageInfoList.Add(new LanguageInfo("Armenian"            , "hy" ));
            this.languageInfoList.Add(new LanguageInfo("Assamese"            , "as" ));
            this.languageInfoList.Add(new LanguageInfo("Azerbaijani"         , "az" ));
            this.languageInfoList.Add(new LanguageInfo("Basque "             , "eu" ));
            this.languageInfoList.Add(new LanguageInfo("Belarusian"          , "be" ));
            this.languageInfoList.Add(new LanguageInfo("Bangla"              , "bn" ));
            this.languageInfoList.Add(new LanguageInfo("Bosnian"             , "bs" ));
            this.languageInfoList.Add(new LanguageInfo("Bulgarian"           , "bg" ));
            this.languageInfoList.Add(new LanguageInfo("Catalan"             , "ca" ));
            this.languageInfoList.Add(new LanguageInfo("Chinese (Simplified)", "zh" ));
            this.languageInfoList.Add(new LanguageInfo("Croatian"            , "hr" ));
            this.languageInfoList.Add(new LanguageInfo("Czech"               , "cs" ));
            this.languageInfoList.Add(new LanguageInfo("Danish"              , "da" ));
            this.languageInfoList.Add(new LanguageInfo("Dari"                , "prs"));
            this.languageInfoList.Add(new LanguageInfo("Dutch"               , "nl" ));
            this.languageInfoList.Add(new LanguageInfo("Estonian"            , "et" ));
            this.languageInfoList.Add(new LanguageInfo("Filipino"            , "fil"));
            this.languageInfoList.Add(new LanguageInfo("Finnish"             , "fi" ));
            this.languageInfoList.Add(new LanguageInfo("French "             , "fr" ));
            this.languageInfoList.Add(new LanguageInfo("Galician"            , "gl" ));
            this.languageInfoList.Add(new LanguageInfo("Georgian"            , "ka" ));
            this.languageInfoList.Add(new LanguageInfo("German"              , "de" ));
            this.languageInfoList.Add(new LanguageInfo("Greek"               , "el" ));
            this.languageInfoList.Add(new LanguageInfo("Gujarati"            , "gu" ));
            this.languageInfoList.Add(new LanguageInfo("Hausa"               , "ha" ));
            this.languageInfoList.Add(new LanguageInfo("Hebrew"              , "he" ));
            this.languageInfoList.Add(new LanguageInfo("Hindi"               , "hi" ));
            this.languageInfoList.Add(new LanguageInfo("Hungarian"           , "hu" ));
            this.languageInfoList.Add(new LanguageInfo("Icelandic"           , "is" ));
            this.languageInfoList.Add(new LanguageInfo("Indonesian"          , "id" ));
            this.languageInfoList.Add(new LanguageInfo("Irish"               , "ga" ));
            this.languageInfoList.Add(new LanguageInfo("isiXhosa"            , "xh" ));
            this.languageInfoList.Add(new LanguageInfo("isiZulu"             , "zu" ));
            this.languageInfoList.Add(new LanguageInfo("Italian"             , "it" ));
            this.languageInfoList.Add(new LanguageInfo("Japanese "           , "ja" ));
            this.languageInfoList.Add(new LanguageInfo("Kannada"             , "kn" ));
            this.languageInfoList.Add(new LanguageInfo("Kazakh"              , "kk" ));
            this.languageInfoList.Add(new LanguageInfo("Khmer"               , "km" ));
            this.languageInfoList.Add(new LanguageInfo("Kinyarwanda"         , "rw" ));
            this.languageInfoList.Add(new LanguageInfo("KiSwahili"           , "sw" ));
            this.languageInfoList.Add(new LanguageInfo("Konkani"             , "kok"));
            this.languageInfoList.Add(new LanguageInfo("Korean"              , "ko" ));
            this.languageInfoList.Add(new LanguageInfo("Lao"                 , "lo" ));
            this.languageInfoList.Add(new LanguageInfo("Latvian"             , "lv" ));
            this.languageInfoList.Add(new LanguageInfo("Lithuanian"          , "lt" ));
            this.languageInfoList.Add(new LanguageInfo("Luxembourgish"       , "lb" ));
            this.languageInfoList.Add(new LanguageInfo("Macedonian"          , "mk" ));
            this.languageInfoList.Add(new LanguageInfo("Malay"               , "ms" ));
            this.languageInfoList.Add(new LanguageInfo("Malayalam"           , "ml" ));
            this.languageInfoList.Add(new LanguageInfo("Maltese"             , "mt" ));
            this.languageInfoList.Add(new LanguageInfo("Maori "              , "mi" ));
            this.languageInfoList.Add(new LanguageInfo("Marathi"             , "mr" ));
            this.languageInfoList.Add(new LanguageInfo("Nepali"              , "ne" ));
            this.languageInfoList.Add(new LanguageInfo("Norwegian"           , "nb" ));
            this.languageInfoList.Add(new LanguageInfo("Odia"                , "or" ));
            this.languageInfoList.Add(new LanguageInfo("Persian"             , "fa" ));
            this.languageInfoList.Add(new LanguageInfo("Polish"              , "pl" ));
            this.languageInfoList.Add(new LanguageInfo("Portuguese"          , "pt" ));
            this.languageInfoList.Add(new LanguageInfo("Punjabi"             , "pa" ));
            this.languageInfoList.Add(new LanguageInfo("Quechua"             , "quz"));
            this.languageInfoList.Add(new LanguageInfo("Romanian"            , "ro" ));
            this.languageInfoList.Add(new LanguageInfo("Russian"             , "ru" ));
            this.languageInfoList.Add(new LanguageInfo("Serbian (Latin)"     , "sr" ));
            this.languageInfoList.Add(new LanguageInfo("Sesotho sa Leboa"    , "nso"));
            this.languageInfoList.Add(new LanguageInfo("Setswana"            , "tn" ));
            this.languageInfoList.Add(new LanguageInfo("Sinhala"             , "si" ));
            this.languageInfoList.Add(new LanguageInfo("Slovak "             , "sk" ));
            this.languageInfoList.Add(new LanguageInfo("Slovenian"           , "sl" ));
            this.languageInfoList.Add(new LanguageInfo("Spanish"             , "es" ));
            this.languageInfoList.Add(new LanguageInfo("Swedish"             , "sv" ));
            this.languageInfoList.Add(new LanguageInfo("Tamil"               , "ta" ));
            this.languageInfoList.Add(new LanguageInfo("Telugu"              , "te" ));
            this.languageInfoList.Add(new LanguageInfo("Thai"                , "th" ));
            this.languageInfoList.Add(new LanguageInfo("Tigrinya"            , "ti" ));
            this.languageInfoList.Add(new LanguageInfo("Turkish"             , "tr" ));
            this.languageInfoList.Add(new LanguageInfo("Ukrainian"           , "uk" ));
            this.languageInfoList.Add(new LanguageInfo("Urdu"                , "ur" ));
            this.languageInfoList.Add(new LanguageInfo("Uzbek (Latin)"       , "uz" ));
            this.languageInfoList.Add(new LanguageInfo("Vietnamese"          , "vi" ));
            this.languageInfoList.Add(new LanguageInfo("Welsh"               , "cy" ));
            this.languageInfoList.Add(new LanguageInfo("Wolof"               , "wo" ));
        }

        #endregion
    }
}

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using System.Collections.Generic;

namespace TestProject

{

/// <summary>

/// 언어 헬퍼

/// </summary>

public class LanguageHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 언어 정보 리스트

/// </summary>

private List<LanguageInfo> languageInfoList;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 언어 정보 리스트 - LanguageInfoList

/// <summary>

/// 언어 정보 리스트

/// </summary>

public List<LanguageInfo> LanguageInfoList

{

get

{

return this.languageInfoList;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - LanguageHelper()

/// <summary>

/// 생성자

/// </summary>

public LanguageHelper()

{

if(this.languageInfoList == null)

{

this.languageInfoList = new List<LanguageInfo>();

}

this.languageInfoList.Add(new LanguageInfo("English" , "en" ));

this.languageInfoList.Add(new LanguageInfo("Arabic" , "ar" ));

this.languageInfoList.Add(new LanguageInfo("Afrikaans" , "af" ));

this.languageInfoList.Add(new LanguageInfo("Albanian" , "sq" ));

this.languageInfoList.Add(new LanguageInfo("Amharic" , "am" ));

this.languageInfoList.Add(new LanguageInfo("Armenian" , "hy" ));

this.languageInfoList.Add(new LanguageInfo("Assamese" , "as" ));

this.languageInfoList.Add(new LanguageInfo("Azerbaijani" , "az" ));

this.languageInfoList.Add(new LanguageInfo("Basque " , "eu" ));

this.languageInfoList.Add(new LanguageInfo("Belarusian" , "be" ));

this.languageInfoList.Add(new LanguageInfo("Bangla" , "bn" ));

this.languageInfoList.Add(new LanguageInfo("Bosnian" , "bs" ));

this.languageInfoList.Add(new LanguageInfo("Bulgarian" , "bg" ));

this.languageInfoList.Add(new LanguageInfo("Catalan" , "ca" ));

this.languageInfoList.Add(new LanguageInfo("Chinese (Simplified)", "zh" ));

this.languageInfoList.Add(new LanguageInfo("Croatian" , "hr" ));

this.languageInfoList.Add(new LanguageInfo("Czech" , "cs" ));

this.languageInfoList.Add(new LanguageInfo("Danish" , "da" ));

this.languageInfoList.Add(new LanguageInfo("Dari" , "prs"));

this.languageInfoList.Add(new LanguageInfo("Dutch" , "nl" ));

this.languageInfoList.Add(new LanguageInfo("Estonian" , "et" ));

this.languageInfoList.Add(new LanguageInfo("Filipino" , "fil"));

this.languageInfoList.Add(new LanguageInfo("Finnish" , "fi" ));

this.languageInfoList.Add(new LanguageInfo("French " , "fr" ));

this.languageInfoList.Add(new LanguageInfo("Galician" , "gl" ));

this.languageInfoList.Add(new LanguageInfo("Georgian" , "ka" ));

this.languageInfoList.Add(new LanguageInfo("German" , "de" ));

this.languageInfoList.Add(new LanguageInfo("Greek" , "el" ));

this.languageInfoList.Add(new LanguageInfo("Gujarati" , "gu" ));

this.languageInfoList.Add(new LanguageInfo("Hausa" , "ha" ));

this.languageInfoList.Add(new LanguageInfo("Hebrew" , "he" ));

this.languageInfoList.Add(new LanguageInfo("Hindi" , "hi" ));

this.languageInfoList.Add(new LanguageInfo("Hungarian" , "hu" ));

this.languageInfoList.Add(new LanguageInfo("Icelandic" , "is" ));

this.languageInfoList.Add(new LanguageInfo("Indonesian" , "id" ));

this.languageInfoList.Add(new LanguageInfo("Irish" , "ga" ));

this.languageInfoList.Add(new LanguageInfo("isiXhosa" , "xh" ));

this.languageInfoList.Add(new LanguageInfo("isiZulu" , "zu" ));

this.languageInfoList.Add(new LanguageInfo("Italian" , "it" ));

this.languageInfoList.Add(new LanguageInfo("Japanese " , "ja" ));

this.languageInfoList.Add(new LanguageInfo("Kannada" , "kn" ));

this.languageInfoList.Add(new LanguageInfo("Kazakh" , "kk" ));

this.languageInfoList.Add(new LanguageInfo("Khmer" , "km" ));

this.languageInfoList.Add(new LanguageInfo("Kinyarwanda" , "rw" ));

this.languageInfoList.Add(new LanguageInfo("KiSwahili" , "sw" ));

this.languageInfoList.Add(new LanguageInfo("Konkani" , "kok"));

this.languageInfoList.Add(new LanguageInfo("Korean" , "ko" ));

this.languageInfoList.Add(new LanguageInfo("Lao" , "lo" ));

this.languageInfoList.Add(new LanguageInfo("Latvian" , "lv" ));

this.languageInfoList.Add(new LanguageInfo("Lithuanian" , "lt" ));

this.languageInfoList.Add(new LanguageInfo("Luxembourgish" , "lb" ));

this.languageInfoList.Add(new LanguageInfo("Macedonian" , "mk" ));

this.languageInfoList.Add(new LanguageInfo("Malay" , "ms" ));

this.languageInfoList.Add(new LanguageInfo("Malayalam" , "ml" ));

this.languageInfoList.Add(new LanguageInfo("Maltese" , "mt" ));

this.languageInfoList.Add(new LanguageInfo("Maori " , "mi" ));

this.languageInfoList.Add(new LanguageInfo("Marathi" , "mr" ));

this.languageInfoList.Add(new LanguageInfo("Nepali" , "ne" ));

this.languageInfoList.Add(new LanguageInfo("Norwegian" , "nb" ));

this.languageInfoList.Add(new LanguageInfo("Odia" , "or" ));

this.languageInfoList.Add(new LanguageInfo("Persian" , "fa" ));

this.languageInfoList.Add(new LanguageInfo("Polish" , "pl" ));

this.languageInfoList.Add(new LanguageInfo("Portuguese" , "pt" ));

this.languageInfoList.Add(new LanguageInfo("Punjabi" , "pa" ));

this.languageInfoList.Add(new LanguageInfo("Quechua" , "quz"));

this.languageInfoList.Add(new LanguageInfo("Romanian" , "ro" ));

this.languageInfoList.Add(new LanguageInfo("Russian" , "ru" ));

this.languageInfoList.Add(new LanguageInfo("Serbian (Latin)" , "sr" ));

this.languageInfoList.Add(new LanguageInfo("Sesotho sa Leboa" , "nso"));

this.languageInfoList.Add(new LanguageInfo("Setswana" , "tn" ));

this.languageInfoList.Add(new LanguageInfo("Sinhala" , "si" ));

this.languageInfoList.Add(new LanguageInfo("Slovak " , "sk" ));

this.languageInfoList.Add(new LanguageInfo("Slovenian" , "sl" ));

this.languageInfoList.Add(new LanguageInfo("Spanish" , "es" ));

this.languageInfoList.Add(new LanguageInfo("Swedish" , "sv" ));

this.languageInfoList.Add(new LanguageInfo("Tamil" , "ta" ));

this.languageInfoList.Add(new LanguageInfo("Telugu" , "te" ));

this.languageInfoList.Add(new LanguageInfo("Thai" , "th" ));

this.languageInfoList.Add(new LanguageInfo("Tigrinya" , "ti" ));

this.languageInfoList.Add(new LanguageInfo("Turkish" , "tr" ));

this.languageInfoList.Add(new LanguageInfo("Ukrainian" , "uk" ));

this.languageInfoList.Add(new LanguageInfo("Urdu" , "ur" ));

this.languageInfoList.Add(new LanguageInfo("Uzbek (Latin)" , "uz" ));

this.languageInfoList.Add(new LanguageInfo("Vietnamese" , "vi" ));

this.languageInfoList.Add(new LanguageInfo("Welsh" , "cy" ));

this.languageInfoList.Add(new LanguageInfo("Wolof" , "wo" ));

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <Grid Margin="10">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"    />
            <ColumnDefinition Width="10"   />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        <CalendarView Name="calendarView" Grid.Column="0"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            CalendarIdentifier="{x:Bind calendarIdentifierComboBox.SelectedValue, Mode=OneWay}"
            IsGroupLabelVisible="{x:Bind isGroupLabelVisibleCheckBox.IsChecked.Value, Mode=OneWay}"
            IsOutOfScopeEnabled="{x:Bind isOutOfScopeEnabledCheckBox.IsChecked.Value, Mode=OneWay}"
            SelectionMode="Single" />
        <StackPanel Grid.Column="2">
            <CheckBox Name="isGroupLabelVisibleCheckBox"
                Margin="0 10 0 0"
                IsChecked="True"
                Content="IsGroupLabelVisible" />
            <CheckBox Name="isOutOfScopeEnabledCheckBox"
                Margin="0 10 0 0"
                IsChecked="True"
                Content="IsOutOfScopeEnabled" />
            <ComboBox Name="selectionModeComboBox"
                Margin="0 10 0 0"
                Header="SelectionMode">
                <x:String>None</x:String>
                <x:String>Single</x:String>
                <x:String>Multiple</x:String>
            </ComboBox>
            <ComboBox Name="calendarIdentifierComboBox"
                Margin="0 10 0 0"
                Width="220"
                Header="CalendarIdentifier" />
            <ComboBox Name="calendarLanguageComboBox"
                Margin="0 10 0 0"
                Width="220"
                Header="Language"
                DisplayMemberPath="Name"
                SelectedValuePath="Code" />
        </StackPanel>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<CalendarView Name="calendarView" Grid.Column="0"

HorizontalAlignment="Center"

VerticalAlignment="Center"

CalendarIdentifier="{x:Bind calendarIdentifierComboBox.SelectedValue, Mode=OneWay}"

IsGroupLabelVisible="{x:Bind isGroupLabelVisibleCheckBox.IsChecked.Value, Mode=OneWay}"

IsOutOfScopeEnabled="{x:Bind isOutOfScopeEnabledCheckBox.IsChecked.Value, Mode=OneWay}"

SelectionMode="Single" />

<CheckBox Name="isGroupLabelVisibleCheckBox"

Margin="0 10 0 0"

IsChecked="True"

Content="IsGroupLabelVisible" />

<CheckBox Name="isOutOfScopeEnabledCheckBox"

Margin="0 10 0 0"

IsChecked="True"

Content="IsOutOfScopeEnabled" />

<ComboBox Name="selectionModeComboBox"

Margin="0 10 0 0"

Header="SelectionMode">

<x:String>None</x:String>

<x:String>Single</x:String>

<x:String>Multiple</x:String>

</ComboBox>

<ComboBox Name="calendarIdentifierComboBox"

Margin="0 10 0 0"

Width="220"

Header="CalendarIdentifier" />

<ComboBox Name="calendarLanguageComboBox"

Margin="0 10 0 0"

Width="220"

Header="Language"

DisplayMemberPath="Name"

SelectedValuePath="Code" />

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Collections.Generic;

using Windows.Globalization;

using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            List<string> calendarIdentifierList = new List<string>()
            {
                CalendarIdentifiers.Gregorian,
                CalendarIdentifiers.Hebrew,
                CalendarIdentifiers.Hijri,
                CalendarIdentifiers.Japanese,
                CalendarIdentifiers.Julian,
                CalendarIdentifiers.Korean,
                CalendarIdentifiers.Persian,
                CalendarIdentifiers.Taiwan,
                CalendarIdentifiers.Thai,
                CalendarIdentifiers.UmAlQura,
            };

            this.calendarIdentifierComboBox.ItemsSource  = calendarIdentifierList;
            this.calendarIdentifierComboBox.SelectedItem = CalendarIdentifiers.Gregorian;

            LanguageHelper languageHelper = new LanguageHelper();

            this.calendarLanguageComboBox.ItemsSource = languageHelper.LanguageInfoList;

            this.selectionModeComboBox.SelectedValue = "Single";

            this.selectionModeComboBox.SelectionChanged    += selectionModeComboBox_SelectionChanged;
            this.calendarLanguageComboBox.SelectionChanged += calendarLanguageComboBox_SelectionChanged;

            this.calendarLanguageComboBox.SelectedIndex = 0;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 선택 모드 콤보 박스 선택 변경시 처리하기 - selectionModeComboBox_SelectionChanged(sender, e)

        /// <summary>
        /// 선택 모드 콤보 박스 선택 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void selectionModeComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if(Enum.TryParse<CalendarViewSelectionMode>((sender as ComboBox).SelectedItem.ToString(), out CalendarViewSelectionMode selectionMode))
            {
                this.calendarView.SelectionMode = selectionMode;
            }
        }

        #endregion
        #region 캘린더 언어 콤보 박스 선택 변경시 처리하기 - calendarLanguageComboBox_SelectionChanged(sender, e)

        /// <summary>
        /// 캘린더 언어 콤보 박스 선택 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void calendarLanguageComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            string language = this.calendarLanguageComboBox.SelectedValue.ToString();

            if(Language.IsWellFormed(language))
            {
                this.calendarView.Language = language;

                this.calendarView.SetDisplayDate(DateTime.Now);
            }
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using Windows.Globalization;

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

List<string> calendarIdentifierList = new List<string>()

{

CalendarIdentifiers.Gregorian,

CalendarIdentifiers.Hebrew,

CalendarIdentifiers.Hijri,

CalendarIdentifiers.Japanese,

CalendarIdentifiers.Julian,

CalendarIdentifiers.Korean,

CalendarIdentifiers.Persian,

CalendarIdentifiers.Taiwan,

CalendarIdentifiers.Thai,

CalendarIdentifiers.UmAlQura,

};

this.calendarIdentifierComboBox.ItemsSource = calendarIdentifierList;

this.calendarIdentifierComboBox.SelectedItem = CalendarIdentifiers.Gregorian;

LanguageHelper languageHelper = new LanguageHelper();

this.calendarLanguageComboBox.ItemsSource = languageHelper.LanguageInfoList;

this.selectionModeComboBox.SelectedValue = "Single";

this.selectionModeComboBox.SelectionChanged += selectionModeComboBox_SelectionChanged;

this.calendarLanguageComboBox.SelectionChanged += calendarLanguageComboBox_SelectionChanged;

this.calendarLanguageComboBox.SelectedIndex = 0;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 선택 모드 콤보 박스 선택 변경시 처리하기 - selectionModeComboBox_SelectionChanged(sender, e)

/// <summary>

/// 선택 모드 콤보 박스 선택 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void selectionModeComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)

{

if(Enum.TryParse<CalendarViewSelectionMode>((sender as ComboBox).SelectedItem.ToString(), out CalendarViewSelectionMode selectionMode))

{

this.calendarView.SelectionMode = selectionMode;

}

#endregion

#region 캘린더 언어 콤보 박스 선택 변경시 처리하기 - calendarLanguageComboBox_SelectionChanged(sender, e)

/// <summary>

/// 캘린더 언어 콤보 박스 선택 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void calendarLanguageComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)

{

string language = this.calendarLanguageComboBox.SelectedValue.ToString();

if(Language.IsWellFormed(language))

{

this.calendarView.Language = language;

this.calendarView.SetDisplayDate(DateTime.Now);

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] CalendarDatePicker 엘리먼트 : Header/PlaceholderText 속성 사용하기

■ CalendarDatePicker 엘리먼트의 Header/PlaceholderText 속성을 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <CalendarDatePicker
        HorizontalAlignment="Center"
        VerticalAlignment="Center"
        Header="Calendar"
        PlaceholderText="Pick a date" />
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<CalendarDatePicker

HorizontalAlignment="Center"

VerticalAlignment="Center"

Header="Calendar"

PlaceholderText="Pick a date" />

</Window>

TestProject.zip

[C#/WINUI3/.NET6] TreeView 엘리먼트 : ItemTemplateSelector 속성 사용하기

■ TreeView 엘리먼트의 ItemTemplateSelector 속성을 사용하는 방법을 보여준다. ▶ ExplorerItemType.cs


namespace TestProject
{
    /// <summary>
    /// 탐색기 항목 타입
    /// </summary>
    public enum ExplorerItemType
    {
        /// <summary>
        /// 폴더
        /// </summary>
        Folder,

        /// <summary>
        /// 파일
        /// </summary>
        File
    };
}

namespace TestProject

{

/// <summary>

/// 탐색기 항목 타입

/// </summary>

public enum ExplorerItemType

{

/// <summary>

/// 폴더

/// </summary>

Folder,

/// <summary>

/// 파일

/// </summary>

File

};

}

▶ ExplorerItem.cs


using System.Collections.ObjectModel;
using System.ComponentModel;

namespace TestProject
{
    /// <summary>
    /// 탐색기 항목
    /// </summary>
    public class ExplorerItem : INotifyPropertyChanged
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Event
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 속성 변경시 이벤트 - PropertyChanged

        /// <summary>
        /// 속성 변경시 이벤트
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 자식 컬렉션
        /// </summary>
        private ObservableCollection<ExplorerItem> childCollection;

        /// <summary>
        /// 확장 여부
        /// </summary>
        private bool isExpanded;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 명칭 - Name

        /// <summary>
        /// 명칭
        /// </summary>
        public string Name { get; set; }

        #endregion
        #region 타입 - Type

        /// <summary>
        /// 타입
        /// </summary>
        public ExplorerItemType Type { get; set; }

        #endregion
        #region 자식 컬렉션 - ChildCollection

        /// <summary>
        /// 자식 컬렉션
        /// </summary>
        public ObservableCollection<ExplorerItem> ChildCollection
        {
            get
            {
                if(this.childCollection == null)
                {
                    this.childCollection = new ObservableCollection<ExplorerItem>();
                }

                return this.childCollection;
            }
            set
            {
                this.childCollection = value;
            }
        }

        #endregion
        #region 확장 여부 - IsExpanded

        /// <summary>
        /// 확장 여부
        /// </summary>
        public bool IsExpanded
        {
            get
            {
                return this.isExpanded;
            }
            set
            {
                if(this.isExpanded != value)
                {
                    this.isExpanded = value;

                    FirePropertyChangedEvent("IsExpanded");
                }
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName)

        /// <summary>
        /// 속성 변경시 이벤트 발생시키기
        /// </summary>
        /// <param name="propertyName">속셩명</param>
        private void FirePropertyChangedEvent(string propertyName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        #endregion
    }
}

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using System.Collections.ObjectModel;

using System.ComponentModel;

namespace TestProject

{

/// <summary>

/// 탐색기 항목

/// </summary>

public class ExplorerItem : INotifyPropertyChanged

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Event

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 속성 변경시 이벤트 - PropertyChanged

/// <summary>

/// 속성 변경시 이벤트

/// </summary>

public event PropertyChangedEventHandler PropertyChanged;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 자식 컬렉션

/// </summary>

private ObservableCollection<ExplorerItem> childCollection;

/// <summary>

/// 확장 여부

/// </summary>

private bool isExpanded;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 명칭 - Name

/// <summary>

/// 명칭

/// </summary>

public string Name { get; set; }

#endregion

#region 타입 - Type

/// <summary>

/// 타입

/// </summary>

public ExplorerItemType Type { get; set; }

#endregion

#region 자식 컬렉션 - ChildCollection

/// <summary>

/// 자식 컬렉션

/// </summary>

public ObservableCollection<ExplorerItem> ChildCollection

{

get

{

if(this.childCollection == null)

{

this.childCollection = new ObservableCollection<ExplorerItem>();

}

return this.childCollection;

}

set

{

this.childCollection = value;

}

#endregion

#region 확장 여부 - IsExpanded

/// <summary>

/// 확장 여부

/// </summary>

public bool IsExpanded

{

get

{

return this.isExpanded;

}

set

{

if(this.isExpanded != value)

{

this.isExpanded = value;

FirePropertyChangedEvent("IsExpanded");

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName)

/// <summary>

/// 속성 변경시 이벤트 발생시키기

/// </summary>

/// <param name="propertyName">속셩명</param>

private void FirePropertyChangedEvent(string propertyName)

{

PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));

}

#endregion

}

▶ ExplorerItemDataTemplateSelector.cs


using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 탐색기 항목 데이터 템플리트 선택자
    /// </summary>
    public class ExplorerItemDataTemplateSelector : DataTemplateSelector
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 폴더 템플리트 - FolderTemplate

        /// <summary>
        /// 폴더 템플리트
        /// </summary>
        public DataTemplate FolderTemplate { get; set; }

        #endregion
        #region 파일 템플리트 - FileTemplate

        /// <summary>
        /// 파일 템플리트
        /// </summary>
        public DataTemplate FileTemplate { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 템플리트 선택하기 (코어) - SelectTemplateCore(item)

        /// <summary>
        /// 템플리트 선택하기 (코어)
        /// </summary>
        /// <param name="item">항목</param>
        /// <returns>템플리트</returns>
        protected override DataTemplate SelectTemplateCore(object item)
        {
            ExplorerItem explorerItem = item as ExplorerItem;

            return explorerItem.Type == ExplorerItemType.Folder ? FolderTemplate : FileTemplate;
        }

        #endregion
    }
}

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 탐색기 항목 데이터 템플리트 선택자

/// </summary>

public class ExplorerItemDataTemplateSelector : DataTemplateSelector

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 폴더 템플리트 - FolderTemplate

/// <summary>

/// 폴더 템플리트

/// </summary>

public DataTemplate FolderTemplate { get; set; }

#endregion

#region 파일 템플리트 - FileTemplate

/// <summary>

/// 파일 템플리트

/// </summary>

public DataTemplate FileTemplate { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 템플리트 선택하기 (코어) - SelectTemplateCore(item)

/// <summary>

/// 템플리트 선택하기 (코어)

/// </summary>

/// <param name="item">항목</param>

/// <returns>템플리트</returns>

protected override DataTemplate SelectTemplateCore(object item)

{

ExplorerItem explorerItem = item as ExplorerItem;

return explorerItem.Type == ExplorerItemType.Folder ? FolderTemplate : FileTemplate;

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid
        Margin="10"
        BorderThickness="1"
        BorderBrush="{ThemeResource TextControlBorderBrush}">
        <Grid.Resources>
            <DataTemplate x:Key="FolderDataTemplateKey" x:DataType="local:ExplorerItem">
                <TreeViewItem
                    IsExpanded="True"
                    ItemsSource="{x:Bind ChildCollection}">
                    <StackPanel Orientation="Horizontal">
                        <Image
                            Width="20"
                            Source="/IMAGE/folder.png" />
                        <TextBlock Margin="0 0 10 0" />
                        <TextBlock Text="{x:Bind Name}" />
                    </StackPanel>
                </TreeViewItem>
            </DataTemplate>
            <DataTemplate x:Key="FileDataTemplateKey" x:DataType="local:ExplorerItem">
                <TreeViewItem>
                    <StackPanel Orientation="Horizontal">
                        <Image
                            Width="20"
                            Source="/IMAGE/file.png" />
                        <TextBlock Margin="0 0 10 0" />
                        <TextBlock Text="{x:Bind Name}" />
                    </StackPanel>
                </TreeViewItem>
            </DataTemplate>
            <local:ExplorerItemDataTemplateSelector x:Key="ExplorerItemDataTemplateSelectorKey"
                FolderTemplate="{StaticResource FolderDataTemplateKey}"
                FileTemplate="{StaticResource FileDataTemplateKey}" />
        </Grid.Resources>
        <TreeView Name="FileTree"
            ItemsSource="{x:Bind DataSource}"
            ItemTemplateSelector="{StaticResource ExplorerItemDataTemplateSelectorKey}" />
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid

Margin="10"

BorderThickness="1"

BorderBrush="{ThemeResource TextControlBorderBrush}">

<Grid.Resources>

<TreeViewItem

IsExpanded="True"

ItemsSource="{x:Bind ChildCollection}">

<Image

Width="20"

Source="/IMAGE/folder.png" />

</StackPanel>

</TreeViewItem>

</DataTemplate>

<Image

Width="20"

Source="/IMAGE/file.png" />

</StackPanel>

</TreeViewItem>

</DataTemplate>

<local:ExplorerItemDataTemplateSelector x:Key="ExplorerItemDataTemplateSelectorKey"

FolderTemplate="{StaticResource FolderDataTemplateKey}"

FileTemplate="{StaticResource FileDataTemplateKey}" />

</Grid.Resources>

<TreeView Name="FileTree"

ItemsSource="{x:Bind DataSource}"

ItemTemplateSelector="{StaticResource ExplorerItemDataTemplateSelectorKey}" />

</Grid>

</Window>

▶ MainWindow.xaml.cs

[C#/WINUI3/.NET6] TreeView 엘리먼트 : ItemsSource 속성을 사용해 데이터 바인딩하기

■ TreeView 엘리먼트의 ItemsSource 속성을 사용해 데이터를 바인딩하는 방법을 보여준다. ▶ ExplorerItemType.cs


namespace TestProject
{
    /// <summary>
    /// 탐색기 항목 타입
    /// </summary>
    public enum ExplorerItemType
    {
        /// <summary>
        /// 폴더
        /// </summary>
        Folder,

        /// <summary>
        /// 파일
        /// </summary>
        File
    };
}

namespace TestProject

{

/// <summary>

/// 탐색기 항목 타입

/// </summary>

public enum ExplorerItemType

{

/// <summary>

/// 폴더

/// </summary>

Folder,

/// <summary>

/// 파일

/// </summary>

File

};

}

▶ ExplorerItem.cs


using System.Collections.ObjectModel;
using System.ComponentModel;

namespace TestProject
{
    /// <summary>
    /// 탐색기 항목
    /// </summary>
    public class ExplorerItem : INotifyPropertyChanged
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Event
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 속성 변경시 이벤트 - PropertyChanged

        /// <summary>
        /// 속성 변경시 이벤트
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 자식 컬렉션
        /// </summary>
        private ObservableCollection<ExplorerItem> childCollection;

        /// <summary>
        /// 확장 여부
        /// </summary>
        private bool isExpanded;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 명칭 - Name

        /// <summary>
        /// 명칭
        /// </summary>
        public string Name { get; set; }

        #endregion
        #region 타입 - Type

        /// <summary>
        /// 타입
        /// </summary>
        public ExplorerItemType Type { get; set; }

        #endregion
        #region 자식 컬렉션 - ChildCollection

        /// <summary>
        /// 자식 컬렉션
        /// </summary>
        public ObservableCollection<ExplorerItem> ChildCollection
        {
            get
            {
                if(this.childCollection == null)
                {
                    this.childCollection = new ObservableCollection<ExplorerItem>();
                }

                return this.childCollection;
            }
            set
            {
                this.childCollection = value;
            }
        }

        #endregion
        #region 확장 여부 - IsExpanded

        /// <summary>
        /// 확장 여부
        /// </summary>
        public bool IsExpanded
        {
            get
            {
                return this.isExpanded;
            }
            set
            {
                if(this.isExpanded != value)
                {
                    this.isExpanded = value;

                    FirePropertyChangedEvent("IsExpanded");
                }
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName)

        /// <summary>
        /// 속성 변경시 이벤트 발생시키기
        /// </summary>
        /// <param name="propertyName">속셩명</param>
        private void FirePropertyChangedEvent(string propertyName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        #endregion
    }
}

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using System.Collections.ObjectModel;

using System.ComponentModel;

namespace TestProject

{

/// <summary>

/// 탐색기 항목

/// </summary>

public class ExplorerItem : INotifyPropertyChanged

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Event

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 속성 변경시 이벤트 - PropertyChanged

/// <summary>

/// 속성 변경시 이벤트

/// </summary>

public event PropertyChangedEventHandler PropertyChanged;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 자식 컬렉션

/// </summary>

private ObservableCollection<ExplorerItem> childCollection;

/// <summary>

/// 확장 여부

/// </summary>

private bool isExpanded;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 명칭 - Name

/// <summary>

/// 명칭

/// </summary>

public string Name { get; set; }

#endregion

#region 타입 - Type

/// <summary>

/// 타입

/// </summary>

public ExplorerItemType Type { get; set; }

#endregion

#region 자식 컬렉션 - ChildCollection

/// <summary>

/// 자식 컬렉션

/// </summary>

public ObservableCollection<ExplorerItem> ChildCollection

{

get

{

if(this.childCollection == null)

{

this.childCollection = new ObservableCollection<ExplorerItem>();

}

return this.childCollection;

}

set

{

this.childCollection = value;

}

#endregion

#region 확장 여부 - IsExpanded

/// <summary>

/// 확장 여부

/// </summary>

public bool IsExpanded

{

get

{

return this.isExpanded;

}

set

{

if(this.isExpanded != value)

{

this.isExpanded = value;

FirePropertyChangedEvent("IsExpanded");

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 속성 변경시 이벤트 발생시키기 - FirePropertyChangedEvent(propertyName)

/// <summary>

/// 속성 변경시 이벤트 발생시키기

/// </summary>

/// <param name="propertyName">속셩명</param>

private void FirePropertyChangedEvent(string propertyName)

{

PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid
        Margin="10"
        BorderThickness="1"
        BorderBrush="{ThemeResource TextControlBorderBrush}">
        <TreeView Name="treeView"
            ItemsSource="{x:Bind DataSource}">
            <TreeView.ItemTemplate>
                <DataTemplate x:DataType="local:ExplorerItem">
                    <TreeViewItem
                        IsExpanded="True"
                        Content="{x:Bind Name}"
                        ItemsSource="{x:Bind ChildCollection}" />
                </DataTemplate>
            </TreeView.ItemTemplate>
        </TreeView>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid

Margin="10"

BorderThickness="1"

BorderBrush="{ThemeResource TextControlBorderBrush}">

<TreeView Name="treeView"

ItemsSource="{x:Bind DataSource}">

<TreeView.ItemTemplate>

<TreeViewItem

IsExpanded="True"

Content="{x:Bind Name}"

ItemsSource="{x:Bind ChildCollection}" />

</DataTemplate>

</TreeView.ItemTemplate>

</TreeView>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System.Collections.ObjectModel;

using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 데이터 소스
        /// </summary>
        private ObservableCollection<ExplorerItem> DataSource;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            ObservableCollection<ExplorerItem> sourceCollection = GetCollection();

            DataSource = sourceCollection;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 컬렉션 구하기 - GetCollection()

        /// <summary>
        /// 컬렉션 구하기
        /// </summary>
        /// <returns>컬렉션</returns>
        private ObservableCollection<ExplorerItem> GetCollection()
        {
            ObservableCollection<ExplorerItem> collection = new ObservableCollection<ExplorerItem>();

            ExplorerItem item1 = new ExplorerItem()
            {
                Name            = "Work Documents",
                Type            = ExplorerItemType.Folder,
                ChildCollection =
                {
                    new ExplorerItem()
                    {
                        Name            = "Functional Specifications",
                        Type            = ExplorerItemType.Folder,
                        ChildCollection =
                        {
                            new ExplorerItem()
                            {
                                Name = "TreeView spec",
                                Type = ExplorerItemType.File,
                              }
                        }
                    },
                    new ExplorerItem()
                    {
                        Name = "Feature Schedule",
                        Type = ExplorerItemType.File,
                    },
                    new ExplorerItem()
                    {
                        Name = "Overall Project Plan",
                        Type = ExplorerItemType.File,
                    },
                    new ExplorerItem()
                    {
                        Name = "Feature Resources Allocation",
                        Type = ExplorerItemType.File,
                    }
                }
            };

            ExplorerItem item2 = new ExplorerItem()
            {
                Name            = "Personal Folder",
                Type            = ExplorerItemType.Folder,
                ChildCollection =
                {
                    new ExplorerItem()
                    {
                        Name     = "Home Remodel Folder",
                        Type     = ExplorerItemType.Folder,
                        ChildCollection =
                        {
                            new ExplorerItem()
                            {
                                Name = "Contractor Contact Info",
                                Type = ExplorerItemType.File,
                            },
                            new ExplorerItem()
                            {
                                Name = "Paint Color Scheme",
                                Type = ExplorerItemType.File,
                            },
                            new ExplorerItem()
                            {
                                Name = "Flooring Woodgrain type",
                                Type = ExplorerItemType.File,
                            },
                            new ExplorerItem()
                            {
                                Name = "Kitchen Cabinet Style",
                                Type = ExplorerItemType.File,
                            }
                        }
                    }
                }
            };

            collection.Add(item1);
            collection.Add(item2);

            return collection;
        }

        #endregion
    }
}

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using System.Collections.ObjectModel;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 데이터 소스

/// </summary>

private ObservableCollection<ExplorerItem> DataSource;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

ObservableCollection<ExplorerItem> sourceCollection = GetCollection();

DataSource = sourceCollection;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 컬렉션 구하기 - GetCollection()

/// <summary>

/// 컬렉션 구하기

/// </summary>

/// <returns>컬렉션</returns>

private ObservableCollection<ExplorerItem> GetCollection()

{

ObservableCollection<ExplorerItem> collection = new ObservableCollection<ExplorerItem>();

ExplorerItem item1 = new ExplorerItem()

{

Name = "Work Documents",

Type = ExplorerItemType.Folder,

ChildCollection =

{

new ExplorerItem()

{

Name = "Functional Specifications",

Type = ExplorerItemType.Folder,

ChildCollection =

{

new ExplorerItem()

{

Name = "TreeView spec",

Type = ExplorerItemType.File,

}

new ExplorerItem()

{

Name = "Feature Schedule",

Type = ExplorerItemType.File,

new ExplorerItem()

{

Name = "Overall Project Plan",

Type = ExplorerItemType.File,

new ExplorerItem()

{

Name = "Feature Resources Allocation",

Type = ExplorerItemType.File,

}

};

ExplorerItem item2 = new ExplorerItem()

{

Name = "Personal Folder",

Type = ExplorerItemType.Folder,

ChildCollection =

{

new ExplorerItem()

{

Name = "Home Remodel Folder",

Type = ExplorerItemType.Folder,

ChildCollection =

{

new ExplorerItem()

{

Name = "Contractor Contact Info",

Type = ExplorerItemType.File,

new ExplorerItem()

{

Name = "Paint Color Scheme",

Type = ExplorerItemType.File,

new ExplorerItem()

{

Name = "Flooring Woodgrain type",

Type = ExplorerItemType.File,

new ExplorerItem()

{

Name = "Kitchen Cabinet Style",

Type = ExplorerItemType.File,

}

};

collection.Add(item1);

collection.Add(item2);

return collection;

}

#endregion

}

[C#/WINUI3/.NET6] TreeView 엘리먼트 : SelectionMode 속성 사용하기

■ TreeView 엘리먼트의 SelectionMode 속성을 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid
        BorderThickness="1"
        BorderBrush="{ThemeResource TextControlBorderBrush}">
        <TreeView Name="treeView"
            SelectionMode="Multiple" />
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid

BorderThickness="1"

BorderBrush="{ThemeResource TextControlBorderBrush}">

<TreeView Name="treeView"

SelectionMode="Multiple" />

</Grid>

</Window>

▶ MainWindow.xaml.cs


using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            TreeViewNode workFolder = new TreeViewNode() { Content = "Work Documents" };

            workFolder.IsExpanded = true;

            workFolder.Children.Add(new TreeViewNode() { Content = "XYZ Functional Spec"          });
            workFolder.Children.Add(new TreeViewNode() { Content = "Feature Schedule"             });
            workFolder.Children.Add(new TreeViewNode() { Content = "Overall Project Plan"         });
            workFolder.Children.Add(new TreeViewNode() { Content = "Feature Resources Allocation" });

            TreeViewNode remodelFolder = new TreeViewNode() { Content = "Home Remodel" };

            remodelFolder.IsExpanded = true;

            remodelFolder.Children.Add(new TreeViewNode() { Content = "Contractor Contact Info" });
            remodelFolder.Children.Add(new TreeViewNode() { Content = "Paint Color Scheme"      });
            remodelFolder.Children.Add(new TreeViewNode() { Content = "Flooring woodgrain type" });
            remodelFolder.Children.Add(new TreeViewNode() { Content = "Kitchen cabinet style"   });

            TreeViewNode personalFolder = new TreeViewNode() { Content = "Personal Documents" };

            personalFolder.IsExpanded = true;

            personalFolder.Children.Add(remodelFolder);

            this.treeView.RootNodes.Add(workFolder    );
            this.treeView.RootNodes.Add(personalFolder);
        }

        #endregion
    }
}

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

TreeViewNode workFolder = new TreeViewNode() { Content = "Work Documents" };

workFolder.IsExpanded = true;

workFolder.Children.Add(new TreeViewNode() { Content = "XYZ Functional Spec" });

workFolder.Children.Add(new TreeViewNode() { Content = "Feature Schedule" });

workFolder.Children.Add(new TreeViewNode() { Content = "Overall Project Plan" });

workFolder.Children.Add(new TreeViewNode() { Content = "Feature Resources Allocation" });

TreeViewNode remodelFolder = new TreeViewNode() { Content = "Home Remodel" };

remodelFolder.IsExpanded = true;

remodelFolder.Children.Add(new TreeViewNode() { Content = "Contractor Contact Info" });

remodelFolder.Children.Add(new TreeViewNode() { Content = "Paint Color Scheme" });

remodelFolder.Children.Add(new TreeViewNode() { Content = "Flooring woodgrain type" });

remodelFolder.Children.Add(new TreeViewNode() { Content = "Kitchen cabinet style" });

TreeViewNode personalFolder = new TreeViewNode() { Content = "Personal Documents" };

personalFolder.IsExpanded = true;

personalFolder.Children.Add(remodelFolder);

this.treeView.RootNodes.Add(workFolder );

this.treeView.RootNodes.Add(personalFolder);

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] TreeView 엘리먼트 : CanDragItems/AllowDrop 속성을 사용해 트리 뷰 내 노드 이동하기

■ TreeView 엘리먼트의 CanDragItems/AllowDrop 속성을 사용해 트리 뷰 내 노드를 이동하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid
        Margin="10"
        BorderThickness="1"
        BorderBrush="{ThemeResource TextControlBorderBrush}">
        <TreeView Name="treeView"
            CanDragItems="True"
            AllowDrop="True" />
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid

Margin="10"

BorderThickness="1"

BorderBrush="{ThemeResource TextControlBorderBrush}">

<TreeView Name="treeView"

CanDragItems="True"

AllowDrop="True" />

</Grid>

</Window>

▶ MainWindow.xaml.cs


using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            TreeViewNode workFolder = new TreeViewNode() { Content = "Work Documents" };

            workFolder.IsExpanded = true;

            workFolder.Children.Add(new TreeViewNode() { Content = "XYZ Functional Spec"          });
            workFolder.Children.Add(new TreeViewNode() { Content = "Feature Schedule"             });
            workFolder.Children.Add(new TreeViewNode() { Content = "Overall Project Plan"         });
            workFolder.Children.Add(new TreeViewNode() { Content = "Feature Resources Allocation" });

            TreeViewNode remodelFolder = new TreeViewNode() { Content = "Home Remodel" };

            remodelFolder.IsExpanded = true;

            remodelFolder.Children.Add(new TreeViewNode() { Content = "Contractor Contact Info" });
            remodelFolder.Children.Add(new TreeViewNode() { Content = "Paint Color Scheme"      });
            remodelFolder.Children.Add(new TreeViewNode() { Content = "Flooring woodgrain type" });
            remodelFolder.Children.Add(new TreeViewNode() { Content = "Kitchen cabinet style"   });

            TreeViewNode personalFolder = new TreeViewNode() { Content = "Personal Documents" };

            personalFolder.IsExpanded = true;

            personalFolder.Children.Add(remodelFolder);

            this.treeView.RootNodes.Add(workFolder    );
            this.treeView.RootNodes.Add(personalFolder);
        }

        #endregion
    }
}

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

TreeViewNode workFolder = new TreeViewNode() { Content = "Work Documents" };

workFolder.IsExpanded = true;

workFolder.Children.Add(new TreeViewNode() { Content = "XYZ Functional Spec" });

workFolder.Children.Add(new TreeViewNode() { Content = "Feature Schedule" });

workFolder.Children.Add(new TreeViewNode() { Content = "Overall Project Plan" });

workFolder.Children.Add(new TreeViewNode() { Content = "Feature Resources Allocation" });

TreeViewNode remodelFolder = new TreeViewNode() { Content = "Home Remodel" };

remodelFolder.IsExpanded = true;

remodelFolder.Children.Add(new TreeViewNode() { Content = "Contractor Contact Info" });

remodelFolder.Children.Add(new TreeViewNode() { Content = "Paint Color Scheme" });

remodelFolder.Children.Add(new TreeViewNode() { Content = "Flooring woodgrain type" });

remodelFolder.Children.Add(new TreeViewNode() { Content = "Kitchen cabinet style" });

TreeViewNode personalFolder = new TreeViewNode() { Content = "Personal Documents" };

personalFolder.IsExpanded = true;

personalFolder.Children.Add(remodelFolder);

this.treeView.RootNodes.Add(workFolder );

this.treeView.RootNodes.Add(personalFolder);

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] Window 클래스 : 전체 모드 설정하기

■ Window 클래스에서 전체 모드를 설정하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <Grid>
        <Button Name="closeButton"
            HorizontalAlignment="Right"
            VerticalAlignment="Bottom"
            Margin="10"
            Width="100"
            Height="30"
            Content="닫기" />
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<Grid>

<Button Name="closeButton"

HorizontalAlignment="Right"

VerticalAlignment="Bottom"

Margin="10"

Width="100"

Height="30"

Content="닫기" />

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            AppWindow appWindow = GetAppWindow(this);

            OverlappedPresenter presenter = appWindow.Presenter as OverlappedPresenter;

            appWindow.SetPresenter(AppWindowPresenterKind.FullScreen); // 전체 화면 모드

            this.closeButton.Click += closeButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 닫기 버튼 클릭시 처리하기 - closeButton_Click(sender, e)

        /// <summary>
        /// 닫기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void closeButton_Click(object sender, RoutedEventArgs e)
        {
            Close();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 앱 윈도우 구하기 - GetAppWindow(window)

        /// <summary>
        /// 앱 윈도우 구하기
        /// </summary>
        /// <param name="window">윈도우</param>
        /// <returns>앱 윈도우</returns>
        private AppWindow GetAppWindow(Window window)
        {
            IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

            WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

            AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

            return appWindow;
        }

        #endregion
    }
}

using System;

using Microsoft.UI;

using Microsoft.UI.Windowing;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

AppWindow appWindow = GetAppWindow(this);

OverlappedPresenter presenter = appWindow.Presenter as OverlappedPresenter;

appWindow.SetPresenter(AppWindowPresenterKind.FullScreen); // 전체 화면 모드

this.closeButton.Click += closeButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 닫기 버튼 클릭시 처리하기 - closeButton_Click(sender, e)

/// <summary>

/// 닫기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void closeButton_Click(object sender, RoutedEventArgs e)

{

Close();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>

/// 앱 윈도우 구하기

/// </summary>

/// <param name="window">윈도우</param>

/// <returns>앱 윈도우</returns>

private AppWindow GetAppWindow(Window window)

{

IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

return appWindow;

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] Window 클래스 : 윈도우 크기 최대화하기

■ Window 클래스에서 윈도우 크기를 최대화하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

</Window>

▶ MainWindow.xaml.cs


using System;

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            AppWindow appWindow = GetAppWindow(this);

            OverlappedPresenter presenter = appWindow.Presenter as OverlappedPresenter;

            presenter.Maximize();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 앱 윈도우 구하기 - GetAppWindow(window)

        /// <summary>
        /// 앱 윈도우 구하기
        /// </summary>
        /// <param name="window">윈도우</param>
        /// <returns>앱 윈도우</returns>
        private AppWindow GetAppWindow(Window window)
        {
            IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

            WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

            AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

            return appWindow;
        }

        #endregion
    }
}

using System;

using Microsoft.UI;

using Microsoft.UI.Windowing;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

AppWindow appWindow = GetAppWindow(this);

OverlappedPresenter presenter = appWindow.Presenter as OverlappedPresenter;

presenter.Maximize();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>

/// 앱 윈도우 구하기

/// </summary>

/// <param name="window">윈도우</param>

/// <returns>앱 윈도우</returns>

private AppWindow GetAppWindow(Window window)

{

IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

return appWindow;

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] Window 클래스 : 최소화/최대화/크기 조정 기능 비활성화하기

■ Window 클래스에서 최소화/최대화/크기 조정 기능을 비활성화하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

</Window>

▶ MainWindow.xaml.cs


using System;

using Windows.Graphics;

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            AppWindow appWindow = GetAppWindow(this);

            appWindow.Resize(new SizeInt32 { Width = 800, Height = 600 }); // 윈도우 크기

            appWindow.Move(new PointInt32(100, 200)); // 윈도우 위치

            OverlappedPresenter presenter = appWindow.Presenter as OverlappedPresenter;

            presenter.IsMinimizable = false; // 최소화 가능 여부
            presenter.IsMaximizable = false; // 최대화 가능 여부
            presenter.IsResizable   = false; // 크기 조정 가능 여부
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 앱 윈도우 구하기 - GetAppWindow(window)

        /// <summary>
        /// 앱 윈도우 구하기
        /// </summary>
        /// <param name="window">윈도우</param>
        /// <returns>앱 윈도우</returns>
        private AppWindow GetAppWindow(Window window)
        {
            IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

            WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

            AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

            return appWindow;
        }

        #endregion
    }
}

using System;

using Windows.Graphics;

using Microsoft.UI;

using Microsoft.UI.Windowing;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

AppWindow appWindow = GetAppWindow(this);

appWindow.Resize(new SizeInt32 { Width = 800, Height = 600 }); // 윈도우 크기

appWindow.Move(new PointInt32(100, 200)); // 윈도우 위치

OverlappedPresenter presenter = appWindow.Presenter as OverlappedPresenter;

presenter.IsMinimizable = false; // 최소화 가능 여부

presenter.IsMaximizable = false; // 최대화 가능 여부

presenter.IsResizable = false; // 크기 조정 가능 여부

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>

/// 앱 윈도우 구하기

/// </summary>

/// <param name="window">윈도우</param>

/// <returns>앱 윈도우</returns>

private AppWindow GetAppWindow(Window window)

{

IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

return appWindow;

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] Window 클래스 : 최상위 윈도우 설정하기

■ Window 클래스에서 최상위 윈도우를 설정하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

</Window>

TestProject.zip

[C#/WINUI3/.NET6] Window 클래스 : 윈도우 제목/크기/위치 설정하기

■ Window 클래스에서 윈도우 제목/크기/위치를 설정하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

</Window>

▶ MainWindow.xaml.cs


using System;

using Windows.Graphics;

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            AppWindow appWindow = GetAppWindow(this);

            appWindow.Title = "TestProject"; // 윈도우 제목

            appWindow.Resize(new SizeInt32 { Width = 800, Height = 600 }); // 윈도우 크기

            appWindow.Move(new PointInt32(100, 200)); // 윈도우 위치
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 앱 윈도우 구하기 - GetAppWindow(window)

        /// <summary>
        /// 앱 윈도우 구하기
        /// </summary>
        /// <param name="window">윈도우</param>
        /// <returns>앱 윈도우</returns>
        private AppWindow GetAppWindow(Window window)
        {
            IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

            WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

            AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

            return appWindow;
        }

        #endregion
    }
}

using System;

using Windows.Graphics;

using Microsoft.UI;

using Microsoft.UI.Windowing;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

AppWindow appWindow = GetAppWindow(this);

appWindow.Title = "TestProject"; // 윈도우 제목

appWindow.Resize(new SizeInt32 { Width = 800, Height = 600 }); // 윈도우 크기

appWindow.Move(new PointInt32(100, 200)); // 윈도우 위치

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>

/// 앱 윈도우 구하기

/// </summary>

/// <param name="window">윈도우</param>

/// <returns>앱 윈도우</returns>

private AppWindow GetAppWindow(Window window)

{

IntPtr windowHandle = WinRT.Interop.WindowNative.GetWindowHandle(window);

WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

AppWindow appWindow = AppWindow.GetFromWindowId(windowID);

return appWindow;

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] RefreshContainer 클래스 : 커스텀 아이콘 사용하기

■ RefreshContainer 클래스에서 커스텀 아이콘을 사용하는 방법을 보여준다. ▶ NativeHelper.cs


using System.Runtime.InteropServices;

namespace TestProject
{
    /// <summary>
    /// 네이티브 헬퍼
    /// </summary>
    public class NativeHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

        /// <summary>
        /// 현재 패키지 ID 구하기
        /// </summary>
        /// <param name="bufferLength">버퍼 길이</param>
        /// <param name="buffer">버퍼</param>
        /// <returns>처리 결과</returns>
        [DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]
        [return : MarshalAs(UnmanagedType.U4)]
        private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// ERROR_SUCCESS
        /// </summary>
        public const int ERROR_SUCCESS = 0;

        /// <summary>
        /// ERROR_INSUFFICIENT_BUFFER
        /// </summary>
        public const int ERROR_INSUFFICIENT_BUFFER = 122;

        /// <summary>
        /// APPMODEL_ERROR_NO_PACKAGE
        /// </summary>
        public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 애플리케이션 패키지 여부 - IsAppPackaged

        /// <summary>
        /// 애플리케이션 패키지 여부
        /// </summary>
        public static bool IsAppPackaged
        {
            get
            {
                int  bufferSize = 0;
                uint lastError  = GetCurrentPackageId(ref bufferSize, out _);
                bool isPackaged = true;

                if(lastError == APPMODEL_ERROR_NO_PACKAGE)
                {
                    isPackaged = false;
                }

                return isPackaged;
            }
        }

        #endregion
    }
}

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// 네이티브 헬퍼

/// </summary>

public class NativeHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

/// <summary>

/// 현재 패키지 ID 구하기

/// </summary>

/// <param name="bufferLength">버퍼 길이</param>

/// <param name="buffer">버퍼</param>

/// <returns>처리 결과</returns>

[DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]

[return : MarshalAs(UnmanagedType.U4)]

private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// ERROR_SUCCESS

/// </summary>

public const int ERROR_SUCCESS = 0;

/// <summary>

/// ERROR_INSUFFICIENT_BUFFER

/// </summary>

public const int ERROR_INSUFFICIENT_BUFFER = 122;

/// <summary>

/// APPMODEL_ERROR_NO_PACKAGE

/// </summary>

public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 애플리케이션 패키지 여부 - IsAppPackaged

/// <summary>

/// 애플리케이션 패키지 여부

/// </summary>

public static bool IsAppPackaged

{

get

{

int bufferSize = 0;

uint lastError = GetCurrentPackageId(ref bufferSize, out _);

bool isPackaged = true;

if(lastError == APPMODEL_ERROR_NO_PACKAGE)

{

isPackaged = false;

}

return isPackaged;

}

#endregion

}

▶ WindowHelper.cs


using System;
using System.Collections.Generic;
using System.Threading.Tasks;

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Media;

using Windows.Storage;
using WinRT.Interop;

namespace TestProject
{
    /// <summary>
    /// 윈도우 헬퍼
    /// </summary>
    public class WindowHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 활성 윈도우 리스트
        /// </summary>
        private static List<Window> _activeWindowList = new List<Window>();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 활성 윈도우 리스트 - ActiveWindowList

        /// <summary>
        /// 활성 윈도우 리스트
        /// </summary>
        public static List<Window> ActiveWindowList
        {
            get
            {
                return _activeWindowList;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 윈도우 생성하기 - CreateWindow()

        /// <summary>
        /// 윈도우 생성하기
        /// </summary>
        /// <returns>윈도우</returns>
        public static Window CreateWindow()
        {
            Window window = new Window
            {
                SystemBackdrop = new MicaBackdrop()
            };

            TrackWindow(window);

            return window;
        }

        #endregion
        #region 윈도우 추적하기 - TrackWindow(window)

        /// <summary>
        /// 윈도우 추적하기
        /// </summary>
        /// <param name="window">윈도우</param>
        static public void TrackWindow(Window window)
        {
            window.Closed += (sender, e) =>
            {
                _activeWindowList.Remove(window);
            };

            _activeWindowList.Add(window);
        }

        #endregion
        #region 앱 윈도우 구하기 - GetAppWindow(window)

        /// <summary>
        /// 앱 윈도우 구하기
        /// </summary>
        /// <param name="window">윈도우</param>
        /// <returns>앱 윈도우</returns>
        public static AppWindow GetAppWindow(Window window)
        {
            IntPtr windowHandle = WindowNative.GetWindowHandle(window);

            WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

            return AppWindow.GetFromWindowId(windowID);
        }

        #endregion
        #region 윈도우 구하기 - GetWindow(element)

        /// <summary>
        /// 윈도우 구하기
        /// </summary>
        /// <param name="element">UI 엘리먼트</param>
        /// <returns>윈도우</returns>
        public static Window GetWindow(UIElement element)
        {
            if(element.XamlRoot != null)
            {
                foreach(Window window in _activeWindowList)
                {
                    if(element.XamlRoot == window.Content.XamlRoot)
                    {
                        return window;
                    }
                }
            }

            return null;
        }

        #endregion
        #region 래스터화 스케일 구하기 - GetRasterizationScale(element)

        /// <summary>
        /// 래스터화 스케일 구하기
        /// </summary>
        /// <param name="element">UI 엘리먼트</param>
        /// <returns>래스터화 스케일</returns>
        public static double GetRasterizationScale(UIElement element)
        {
            if(element.XamlRoot != null)
            {
                foreach(Window window in _activeWindowList)
                {
                    if(element.XamlRoot == window.Content.XamlRoot)
                    {
                        return element.XamlRoot.RasterizationScale;
                    }
                }
            }

            return 0.0;
        }

        #endregion
        #region 앱 로컬 폴더 구하기 - GetAppLocalFolder()

        /// <summary>
        /// 앱 로컬 폴더 구하기
        /// </summary>
        /// <returns>앱 로컬 폴더</returns>
        public static StorageFolder GetAppLocalFolder()
        {
            StorageFolder storageFolder;

            if(!NativeHelper.IsAppPackaged)
            {
                storageFolder = Task.Run(async () => await StorageFolder.GetFolderFromPathAsync(AppContext.BaseDirectory)).Result;
            }
            else
            {
                storageFolder = ApplicationData.Current.LocalFolder;
            }

            return storageFolder;
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Threading.Tasks;

using Microsoft.UI;

using Microsoft.UI.Windowing;

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Media;

using Windows.Storage;

using WinRT.Interop;

namespace TestProject

{

/// <summary>

/// 윈도우 헬퍼

/// </summary>

public class WindowHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 활성 윈도우 리스트

/// </summary>

private static List<Window> _activeWindowList = new List<Window>();

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 활성 윈도우 리스트 - ActiveWindowList

/// <summary>

/// 활성 윈도우 리스트

/// </summary>

public static List<Window> ActiveWindowList

{

get

{

return _activeWindowList;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 윈도우 생성하기 - CreateWindow()

/// <summary>

/// 윈도우 생성하기

/// </summary>

/// <returns>윈도우</returns>

public static Window CreateWindow()

{

Window window = new Window

{

SystemBackdrop = new MicaBackdrop()

};

TrackWindow(window);

return window;

}

#endregion

#region 윈도우 추적하기 - TrackWindow(window)

/// <summary>

/// 윈도우 추적하기

/// </summary>

/// <param name="window">윈도우</param>

static public void TrackWindow(Window window)

{

window.Closed += (sender, e) =>

{

_activeWindowList.Remove(window);

};

_activeWindowList.Add(window);

}

#endregion

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>

/// 앱 윈도우 구하기

/// </summary>

/// <param name="window">윈도우</param>

/// <returns>앱 윈도우</returns>

public static AppWindow GetAppWindow(Window window)

{

IntPtr windowHandle = WindowNative.GetWindowHandle(window);

WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

return AppWindow.GetFromWindowId(windowID);

}

#endregion

#region 윈도우 구하기 - GetWindow(element)

/// <summary>

/// 윈도우 구하기

/// </summary>

/// <param name="element">UI 엘리먼트</param>

/// <returns>윈도우</returns>

public static Window GetWindow(UIElement element)

{

if(element.XamlRoot != null)

{

foreach(Window window in _activeWindowList)

{

if(element.XamlRoot == window.Content.XamlRoot)

{

return window;

}

return null;

}

#endregion

#region 래스터화 스케일 구하기 - GetRasterizationScale(element)

/// <summary>

/// 래스터화 스케일 구하기

/// </summary>

/// <param name="element">UI 엘리먼트</param>

/// <returns>래스터화 스케일</returns>

public static double GetRasterizationScale(UIElement element)

{

if(element.XamlRoot != null)

{

foreach(Window window in _activeWindowList)

{

if(element.XamlRoot == window.Content.XamlRoot)

{

return element.XamlRoot.RasterizationScale;

}

return 0.0;

}

#endregion

#region 앱 로컬 폴더 구하기 - GetAppLocalFolder()

/// <summary>

/// 앱 로컬 폴더 구하기

/// </summary>

/// <returns>앱 로컬 폴더</returns>

public static StorageFolder GetAppLocalFolder()

{

StorageFolder storageFolder;

if(!NativeHelper.IsAppPackaged)

{

storageFolder = Task.Run(async () => await StorageFolder.GetFolderFromPathAsync(AppContext.BaseDirectory)).Result;

}

else

{

storageFolder = ApplicationData.Current.LocalFolder;

}

return storageFolder;

}

#endregion

}

▶ ThemeHelper.cs


using System;
using System.Reflection;

using Windows.Storage;

using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 테마 헬퍼
    /// </summary>
    public static class ThemeHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 선택 앱 테마 키
        /// </summary>
        private const string SelectedAppThemeKey = "SelectedAppTheme";

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 실제 테마 - ActualTheme

        /// <summary>
        /// 실제 테마
        /// </summary>
        public static ElementTheme ActualTheme
        {
            get
            {
                foreach(Window window in WindowHelper.ActiveWindowList)
                {
                    if(window.Content is FrameworkElement rootElement)
                    {
                        if(rootElement.RequestedTheme != ElementTheme.Default)
                        {
                            return rootElement.RequestedTheme;
                        }
                    }
                }

                return GetEnum<ElementTheme>(App.Current.RequestedTheme.ToString());
            }
        }

        #endregion
        #region 루트 테마 - RootTheme

        /// <summary>
        /// 루트 테마
        /// </summary>
        public static ElementTheme RootTheme
        {
            get
            {
                foreach(Window window in WindowHelper.ActiveWindowList)
                {
                    if(window.Content is FrameworkElement rootElement)
                    {
                        return rootElement.RequestedTheme;
                    }
                }

                return ElementTheme.Default;
            }
            set
            {
                foreach(Window window in WindowHelper.ActiveWindowList)
                {
                    if(window.Content is FrameworkElement rootElement)
                    {
                        rootElement.RequestedTheme = value;
                    }
                }

                if(NativeHelper.IsAppPackaged)
                {
                    ApplicationData.Current.LocalSettings.Values[SelectedAppThemeKey] = value.ToString();
                }
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 초기화기 - Initialize()

        /// <summary>
        /// 초기화기
        /// </summary>
        public static void Initialize()
        {
            if(NativeHelper.IsAppPackaged)
            {
                string savedTheme = ApplicationData.Current.LocalSettings.Values[SelectedAppThemeKey]?.ToString();

                if(savedTheme != null)
                {
                    RootTheme = GetEnum<ElementTheme>(savedTheme);
                }
            }
        }

        #endregion
        #region 다크 테마 여부 구하기 - IsDarkTheme()

        /// <summary>
        /// 다크 테마 여부 구하기
        /// </summary>
        /// <returns>다크 테마 여부</returns>
        public static bool IsDarkTheme()
        {
            if(RootTheme == ElementTheme.Default)
            {
                return Application.Current.RequestedTheme == ApplicationTheme.Dark;
            }

            return RootTheme == ElementTheme.Dark;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Private

        #region 열거형 구하기 - GetEnum<TEnum>(text)

        /// <summary>
        /// 열거형 구하기
        /// </summary>
        /// <typeparam name="TEnum">열거형 타입</typeparam>
        /// <param name="text">텍스트</param>
        /// <returns>열거형</returns>
        private static TEnum GetEnum<TEnum>(string text) where TEnum : struct
        {
            if(!typeof(TEnum).GetTypeInfo().IsEnum)
            {
                throw new InvalidOperationException("Generic parameter 'TEnum' must be an enum.");
            }

            return (TEnum)Enum.Parse(typeof(TEnum), text);
        }

        #endregion
    }
}

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using System;

using System.Reflection;

using Windows.Storage;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 테마 헬퍼

/// </summary>

public static class ThemeHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 선택 앱 테마 키

/// </summary>

private const string SelectedAppThemeKey = "SelectedAppTheme";

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 실제 테마 - ActualTheme

/// <summary>

/// 실제 테마

/// </summary>

public static ElementTheme ActualTheme

{

get

{

foreach(Window window in WindowHelper.ActiveWindowList)

{

if(window.Content is FrameworkElement rootElement)

{

if(rootElement.RequestedTheme != ElementTheme.Default)

{

return rootElement.RequestedTheme;

}

return GetEnum<ElementTheme>(App.Current.RequestedTheme.ToString());

}

#endregion

#region 루트 테마 - RootTheme

/// <summary>

/// 루트 테마

/// </summary>

public static ElementTheme RootTheme

{

get

{

foreach(Window window in WindowHelper.ActiveWindowList)

{

if(window.Content is FrameworkElement rootElement)

{

return rootElement.RequestedTheme;

}

return ElementTheme.Default;

}

set

{

foreach(Window window in WindowHelper.ActiveWindowList)

{

if(window.Content is FrameworkElement rootElement)

{

rootElement.RequestedTheme = value;

}

if(NativeHelper.IsAppPackaged)

{

ApplicationData.Current.LocalSettings.Values[SelectedAppThemeKey] = value.ToString();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 초기화기 - Initialize()

/// <summary>

/// 초기화기

/// </summary>

public static void Initialize()

{

if(NativeHelper.IsAppPackaged)

{

string savedTheme = ApplicationData.Current.LocalSettings.Values[SelectedAppThemeKey]?.ToString();

if(savedTheme != null)

{

RootTheme = GetEnum<ElementTheme>(savedTheme);

}

#endregion

#region 다크 테마 여부 구하기 - IsDarkTheme()

/// <summary>

/// 다크 테마 여부 구하기

/// </summary>

/// <returns>다크 테마 여부</returns>

public static bool IsDarkTheme()

{

if(RootTheme == ElementTheme.Default)

{

return Application.Current.RequestedTheme == ApplicationTheme.Dark;

}

return RootTheme == ElementTheme.Dark;

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Private

#region 열거형 구하기 - GetEnum<TEnum>(text)

/// <summary>

/// 열거형 구하기

/// </summary>

/// <typeparam name="TEnum">열거형 타입</typeparam>

/// <param name="text">텍스트</param>

/// <returns>열거형</returns>

private static TEnum GetEnum<TEnum>(string text) where TEnum : struct

{

if(!typeof(TEnum).GetTypeInfo().IsEnum)

{

throw new InvalidOperationException("Generic parameter 'TEnum' must be an enum.");

}

return (TEnum)Enum.Parse(typeof(TEnum), text);

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <Grid Name="grid"
        Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*"    />
        </Grid.RowDefinitions>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<Grid Name="grid"

Margin="10">

<Grid.RowDefinitions>

</Grid.RowDefinitions>

</Grid>

</Window>

▶ MainWindow.xaml.cs

[C#/WINUI3/.NET6] Window 클래스 : AppWindow 객체 구하기

■ Window 클래스를 사용해 AppWindow 객체 구하기 ▶ 예제 코드 (C#)


using System;

using Microsoft.UI;
using Microsoft.UI.Windowing;
using Microsoft.UI.Xaml;

using WinRT.Interop;

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>
/// 앱 윈도우 구하기
/// </summary>
/// <param name="window">윈도우</param>
/// <returns>앱 윈도우</returns>
public AppWindow GetAppWindow(Window window)
{
    IntPtr windowHandle = WindowNative.GetWindowHandle(window);

    WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

    return AppWindow.GetFromWindowId(windowID);
}

#endregion

using System;

using Microsoft.UI;

using Microsoft.UI.Windowing;

using Microsoft.UI.Xaml;

using WinRT.Interop;

#region 앱 윈도우 구하기 - GetAppWindow(window)

/// <summary>

/// 앱 윈도우 구하기

/// </summary>

/// <param name="window">윈도우</param>

/// <returns>앱 윈도우</returns>

public AppWindow GetAppWindow(Window window)

{

IntPtr windowHandle = WindowNative.GetWindowHandle(window);

WindowId windowID = Win32Interop.GetWindowIdFromWindow(windowHandle);

return AppWindow.GetFromWindowId(windowID);

}

#endregion

[C#/WINUI3/.NET6] RefreshContainer 클래스 : RefreshRequested 이벤트 사용하기

■ RefreshContainer 클래스의 RefreshRequested 이벤트를 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TestProject">
    <Grid Name="grid"
        Margin="10">
        <RefreshContainer Name="refreshContainer"
            VerticalAlignment="Center"
            HorizontalAlignment="Center">
            <ListView Name="listView"
                BorderThickness="1"
                BorderBrush="{ThemeResource TextControlBorderBrush}" />
        </RefreshContainer>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Title="TestProject">

<Grid Name="grid"

Margin="10">

<RefreshContainer Name="refreshContainer"

VerticalAlignment="Center"

HorizontalAlignment="Center">

<ListView Name="listView"

BorderThickness="1"

BorderBrush="{ThemeResource TextControlBorderBrush}" />

</RefreshContainer>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Collections.ObjectModel;

using Microsoft.UI.Dispatching;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

using Windows.Foundation;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 소스 컬렉션
        /// </summary>
        private ObservableCollection<string> sourceCollection = new ObservableCollection<string>();

        /// <summary>
        /// 디스패처 타이머
        /// </summary>
        private DispatcherTimer timer = new DispatcherTimer();

        /// <summary>
        /// 추가 카운트
        /// </summary>
        private int addCount = 0;

        /// <summary>
        /// 리프레쉬 완료 연기
        /// </summary>
        private Deferral refreshCompletionDeferral = null;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.timer.Interval = new TimeSpan(0, 0, 0, 0, 500);

            this.timer.Tick += timer_Tick;

            string sourceList = "AcrylicBrush ColorPicker NavigationView ParallaxView PersonPicture PullToRefreshPage RatingsControl RevealBrush TreeView";

            foreach(string source in sourceList.Split(' '))
            {
                this.sourceCollection.Add(source);
            }

            this.listView.ItemsSource = this.sourceCollection;

            this.refreshContainer.RefreshRequested += refreshContainer_RefreshRequested;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 타이머 틱 처리하기 - timer_Tick(sender, e)

        /// <summary>
        /// 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void timer_Tick(object sender, object e)
        {
            DispatcherQueue queue = this.refreshContainer.DispatcherQueue;

            if(queue.HasThreadAccess)
            {
                ProcessTimerTick();
            }
            else
            {
                queue.TryEnqueue
                (
                    DispatcherQueuePriority.Normal,
                    () =>
                    {
                        ProcessTimerTick();
                    }
                );
            }
        }

        #endregion
        #region 리프레쉬 컨테이너 리프레쉬 요청시 처리하기 - refreshContainer_RefreshRequested(sender, e)

        /// <summary>
        /// 리프레쉬 컨테이너 리프레쉬 요청시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void refreshContainer_RefreshRequested(RefreshContainer sender, RefreshRequestedEventArgs e)
        {
            this.refreshCompletionDeferral = e.GetDeferral();

            this.timer.Start();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 타이머 틱 처리하기 - ProcessTimerTick()

        /// <summary>
        /// 타이머 틱 처리하기
        /// </summary>
        private void ProcessTimerTick()
        {
            this.sourceCollection.Insert(0, "NewControl " + this.addCount++);

            this.timer.Stop();

            if(this.refreshCompletionDeferral != null)
            {
                this.refreshCompletionDeferral.Complete();

                this.refreshCompletionDeferral.Dispose();

                this.refreshCompletionDeferral = null;
            }
        }

        #endregion
    }
}

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using System;

using System.Collections.ObjectModel;

using Microsoft.UI.Dispatching;

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

using Windows.Foundation;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 소스 컬렉션

/// </summary>

private ObservableCollection<string> sourceCollection = new ObservableCollection<string>();

/// <summary>

/// 디스패처 타이머

/// </summary>

private DispatcherTimer timer = new DispatcherTimer();

/// <summary>

/// 추가 카운트

/// </summary>

private int addCount = 0;

/// <summary>

/// 리프레쉬 완료 연기

/// </summary>

private Deferral refreshCompletionDeferral = null;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.timer.Interval = new TimeSpan(0, 0, 0, 0, 500);

this.timer.Tick += timer_Tick;

string sourceList = "AcrylicBrush ColorPicker NavigationView ParallaxView PersonPicture PullToRefreshPage RatingsControl RevealBrush TreeView";

foreach(string source in sourceList.Split(' '))

{

this.sourceCollection.Add(source);

}

this.listView.ItemsSource = this.sourceCollection;

this.refreshContainer.RefreshRequested += refreshContainer_RefreshRequested;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 타이머 틱 처리하기 - timer_Tick(sender, e)

/// <summary>

/// 타이머 틱 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void timer_Tick(object sender, object e)

{

DispatcherQueue queue = this.refreshContainer.DispatcherQueue;

if(queue.HasThreadAccess)

{

ProcessTimerTick();

}

else

{

queue.TryEnqueue

(

DispatcherQueuePriority.Normal,

() =>

{

ProcessTimerTick();

}

);

}

#endregion

#region 리프레쉬 컨테이너 리프레쉬 요청시 처리하기 - refreshContainer_RefreshRequested(sender, e)

/// <summary>

/// 리프레쉬 컨테이너 리프레쉬 요청시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void refreshContainer_RefreshRequested(RefreshContainer sender, RefreshRequestedEventArgs e)

{

this.refreshCompletionDeferral = e.GetDeferral();

this.timer.Start();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 타이머 틱 처리하기 - ProcessTimerTick()

/// <summary>

/// 타이머 틱 처리하기

/// </summary>

private void ProcessTimerTick()

{

this.sourceCollection.Insert(0, "NewControl " + this.addCount++);

this.timer.Stop();

if(this.refreshCompletionDeferral != null)

{

this.refreshCompletionDeferral.Complete();

this.refreshCompletionDeferral.Dispose();

this.refreshCompletionDeferral = null;

}

#endregion

}

※ 터치 스크린이 없어서 테스트를 할 수 없었다.

[C#/WINUI3/.NET6] ListView 엘리먼트 : ItemTemplate 속성을 사용해 이미지 표시하기

■ ListView 엘리먼트의 ItemTemplate 속성을 사용해 이미지를 표시하는 방법을 보여준다. ▶ CustomDataObject.cs


using System;
using System.Collections.Generic;

namespace TestProject
{
    /// <summary>
    /// 커스텀 데이터 객체
    /// </summary>
    public class CustomDataObject
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 제목 - Title

        /// <summary>
        /// 제목
        /// </summary>
        public string Title { get; set; }

        #endregion
        #region 이미지 위치 - ImageLocation

        /// <summary>
        /// 이미지 위치
        /// </summary>
        public string ImageLocation { get; set; }

        #endregion
        #region 조회수 - Views

        /// <summary>
        /// 조회수
        /// </summary>
        public string Views { get; set; }

        #endregion
        #region 좋아요 - Likes

        /// <summary>
        /// 좋아요
        /// </summary>
        public string Likes { get; set; }

        #endregion
        #region 설명 - Description

        /// <summary>
        /// 설명
        /// </summary>
        public string Description { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - CustomDataObject()

        /// <summary>
        /// 생성자
        /// </summary>
        public CustomDataObject()
        {
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 커스텀 데이터 객체 리스트 구하기 - GetCustomDataObjectList(includeAllItems)

        /// <summary>
        /// 커스텀 데이터 객체 리스트 구하기
        /// </summary>
        /// <param name="includeAllItems">모든 항목 포함 여부</param>
        /// <returns>커스텀 데이터 객체 리스트</returns>
        public static List<CustomDataObject> GetCustomDataObjectList(bool includeAllItems = false)
        {
            string[] dummyTextArray = new string[]
            {
                @"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer id facilisis lectus. Cras nec convallis ante, quis pulvinar tellus. Integer dictum accumsan pulvinar. Pellentesque eget enim sodales sapien vestibulum consequat.",
                @"Nullam eget mattis metus. Donec pharetra, tellus in mattis tincidunt, magna ipsum gravida nibh, vitae lobortis ante odio vel quam.",
                @"Quisque accumsan pretium ligula in faucibus. Mauris sollicitudin augue vitae lorem cursus condimentum quis ac mauris. Pellentesque quis turpis non nunc pretium sagittis. Nulla facilisi. Maecenas eu lectus ante. Proin eleifend vel lectus non tincidunt. Fusce condimentum luctus nisi, in elementum ante tincidunt nec.",
                @"Aenean in nisl at elit venenatis blandit ut vitae lectus. Praesent in sollicitudin nunc. Pellentesque justo augue, pretium at sem lacinia, scelerisque semper erat. Ut cursus tortor at metus lacinia dapibus.",
                @"Ut consequat magna luctus justo egestas vehicula. Integer pharetra risus libero, et posuere justo mattis et.",
                @"Proin malesuada, libero vitae aliquam venenatis, diam est faucibus felis, vitae efficitur erat nunc non mauris. Suspendisse at sodales erat.",
                @"Aenean vulputate, turpis non tincidunt ornare, metus est sagittis erat, id lobortis orci odio eget quam. Suspendisse ex purus, lobortis quis suscipit a, volutpat vitae turpis.",
                @"Duis facilisis, quam ut laoreet commodo, elit ex aliquet massa, non varius tellus lectus et nunc. Donec vitae risus ut ante pretium semper. Phasellus consectetur volutpat orci, eu dapibus turpis. Fusce varius sapien eu mattis pharetra.",
            };

            Random random = new Random();

            int count = includeAllItems ? 13 : 8;

            List<CustomDataObject> targetList = new List<CustomDataObject>();

            for(int i = 0; i < count; i++)
            {
                targetList.Add
                (
                    new CustomDataObject()
                    {
                        Title         = $"Item {i + 1}",
                        ImageLocation = $"/IMAGE/LandscapeImage{i + 1:d2}.jpg",
                        Views         = random.Next(100, 999).ToString(),
                        Likes         = random.Next(10, 99).ToString(),
                        Description   = dummyTextArray[i % dummyTextArray.Length],
                    }
                );
            }

            return targetList;
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

namespace TestProject

{

/// <summary>

/// 커스텀 데이터 객체

/// </summary>

public class CustomDataObject

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 제목 - Title

/// <summary>

/// 제목

/// </summary>

public string Title { get; set; }

#endregion

#region 이미지 위치 - ImageLocation

/// <summary>

/// 이미지 위치

/// </summary>

public string ImageLocation { get; set; }

#endregion

#region 조회수 - Views

/// <summary>

/// 조회수

/// </summary>

public string Views { get; set; }

#endregion

#region 좋아요 - Likes

/// <summary>

/// 좋아요

/// </summary>

public string Likes { get; set; }

#endregion

#region 설명 - Description

/// <summary>

/// 설명

/// </summary>

public string Description { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - CustomDataObject()

/// <summary>

/// 생성자

/// </summary>

public CustomDataObject()

{

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 커스텀 데이터 객체 리스트 구하기 - GetCustomDataObjectList(includeAllItems)

/// <summary>

/// 커스텀 데이터 객체 리스트 구하기

/// </summary>

/// <param name="includeAllItems">모든 항목 포함 여부</param>

/// <returns>커스텀 데이터 객체 리스트</returns>

public static List<CustomDataObject> GetCustomDataObjectList(bool includeAllItems = false)

{

string[] dummyTextArray = new string[]

{

@"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer id facilisis lectus. Cras nec convallis ante, quis pulvinar tellus. Integer dictum accumsan pulvinar. Pellentesque eget enim sodales sapien vestibulum consequat.",

@"Nullam eget mattis metus. Donec pharetra, tellus in mattis tincidunt, magna ipsum gravida nibh, vitae lobortis ante odio vel quam.",

@"Quisque accumsan pretium ligula in faucibus. Mauris sollicitudin augue vitae lorem cursus condimentum quis ac mauris. Pellentesque quis turpis non nunc pretium sagittis. Nulla facilisi. Maecenas eu lectus ante. Proin eleifend vel lectus non tincidunt. Fusce condimentum luctus nisi, in elementum ante tincidunt nec.",

@"Aenean in nisl at elit venenatis blandit ut vitae lectus. Praesent in sollicitudin nunc. Pellentesque justo augue, pretium at sem lacinia, scelerisque semper erat. Ut cursus tortor at metus lacinia dapibus.",

@"Ut consequat magna luctus justo egestas vehicula. Integer pharetra risus libero, et posuere justo mattis et.",

@"Proin malesuada, libero vitae aliquam venenatis, diam est faucibus felis, vitae efficitur erat nunc non mauris. Suspendisse at sodales erat.",

@"Aenean vulputate, turpis non tincidunt ornare, metus est sagittis erat, id lobortis orci odio eget quam. Suspendisse ex purus, lobortis quis suscipit a, volutpat vitae turpis.",

@"Duis facilisis, quam ut laoreet commodo, elit ex aliquet massa, non varius tellus lectus et nunc. Donec vitae risus ut ante pretium semper. Phasellus consectetur volutpat orci, eu dapibus turpis. Fusce varius sapien eu mattis pharetra.",

};

Random random = new Random();

int count = includeAllItems ? 13 : 8;

List<CustomDataObject> targetList = new List<CustomDataObject>();

for(int i = 0; i < count; i++)

{

targetList.Add

(

new CustomDataObject()

{

Title = $"Item {i + 1}",

ImageLocation = $"/IMAGE/LandscapeImage{i + 1:d2}.jpg",

Views = random.Next(100, 999).ToString(),

Likes = random.Next(10, 99).ToString(),

Description = dummyTextArray[i % dummyTextArray.Length],

}

);

}

return targetList;

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid Margin="10">
        <Grid.Resources>
            <Style x:Key="BaseTextBlockStyle" TargetType="TextBlock">
                <Setter Property="LineStackingStrategy" Value="MaxHeight"          />
                <Setter Property="TextTrimming"         Value="CharacterEllipsis"  />
                <Setter Property="TextWrapping"         Value="Wrap"               />
                <Setter Property="TextLineBounds"       Value="Full"               />
                <Setter Property="FontFamily"           Value="XamlAutoFontFamily" />
                <Setter Property="FontSize"             Value="14"                 />
                <Setter Property="FontWeight"           Value="SemiBold"           />
            </Style>
        </Grid.Resources>
        <ListView Name="listView"
            BorderThickness="1"
            BorderBrush="{ThemeResource SystemControlForegroundBaseMediumLowBrush}"
            CanDrag="True"
            CanDragItems="True"
            CanReorderItems="True"
            AllowDrop="True">
            <ListView.ItemTemplate>
                <DataTemplate x:DataType="local:CustomDataObject">
                    <Grid Margin="0 10 0 10">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="Auto" MinWidth="150" />
                            <ColumnDefinition Width="*"                   />
                        </Grid.ColumnDefinitions>
                        <Image Grid.Column="0"
                            MaxHeight="100"
                            Stretch="Fill"
                            Source="{x:Bind ImageLocation}" />
                        <StackPanel Grid.Column="1"
                            Margin="10 0 0 0">
                            <TextBlock
                                Style="{ThemeResource BaseTextBlockStyle}"
                                HorizontalAlignment="Left"
                                Margin="0 0 0 5"
                                LineHeight="20"
                                FontSize="14"
                                FontWeight="SemiBold"
                                Text="{x:Bind Title}" />
                            <TextBlock Name="descriptionTextBlock"
                                Style="{ThemeResource BodyTextBlockStyle}"
                                Margin="0 0 0 10"
                                Width="350"
                                MaxHeight="60"
                                TextTrimming="CharacterEllipsis"
                                TextWrapping="Wrap"
                                FontFamily="Segoe UI"
                                FontWeight="Normal"
                                Text="{x:Bind Description}"
                                IsTextTrimmedChanged="descriptionTextBlock_IsTextTrimmedChanged" />
                            <StackPanel Orientation="Horizontal">
                                <TextBlock
                                    Style="{ThemeResource CaptionTextBlockStyle}"
                                    Margin="0"
                                    Text="{x:Bind Views}" />
                                <TextBlock
                                    Style="{ThemeResource CaptionTextBlockStyle}"
                                    Text=" Views " />
                                <TextBlock
                                    Style="{ThemeResource CaptionTextBlockStyle}"
                                    Text=" &#x22C5; " />
                                <TextBlock
                                    Style="{ThemeResource CaptionTextBlockStyle}"
                                    Margin="5 0 0 0"
                                    Text="{x:Bind Likes}" />
                                <TextBlock
                                    Style="{ThemeResource CaptionTextBlockStyle}"
                                    Text=" Likes" />
                            </StackPanel>
                        </StackPanel>
                    </Grid>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid.Resources>

</Style>

</Grid.Resources>

<ListView Name="listView"

BorderThickness="1"

BorderBrush="{ThemeResource SystemControlForegroundBaseMediumLowBrush}"

CanDrag="True"

CanDragItems="True"

CanReorderItems="True"

AllowDrop="True">

<ListView.ItemTemplate>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<Image Grid.Column="0"

MaxHeight="100"

Stretch="Fill"

Source="{x:Bind ImageLocation}" />

<StackPanel Grid.Column="1"

Margin="10 0 0 0">

<TextBlock

Style="{ThemeResource BaseTextBlockStyle}"

HorizontalAlignment="Left"

Margin="0 0 0 5"

LineHeight="20"

FontSize="14"

FontWeight="SemiBold"

Text="{x:Bind Title}" />

<TextBlock Name="descriptionTextBlock"

Style="{ThemeResource BodyTextBlockStyle}"

Margin="0 0 0 10"

Width="350"

MaxHeight="60"

TextTrimming="CharacterEllipsis"

TextWrapping="Wrap"

FontFamily="Segoe UI"

FontWeight="Normal"

Text="{x:Bind Description}"

IsTextTrimmedChanged="descriptionTextBlock_IsTextTrimmedChanged" />

<TextBlock

Style="{ThemeResource CaptionTextBlockStyle}"

Margin="0"

Text="{x:Bind Views}" />

<TextBlock

Style="{ThemeResource CaptionTextBlockStyle}"

Text=" Views " />

<TextBlock

Style="{ThemeResource CaptionTextBlockStyle}"

Text=" ⋅ " />

<TextBlock

Style="{ThemeResource CaptionTextBlockStyle}"

Margin="5 0 0 0"

Text="{x:Bind Likes}" />

<TextBlock

Style="{ThemeResource CaptionTextBlockStyle}"

Text=" Likes" />

</StackPanel>

</Grid>

</DataTemplate>

</ListView.ItemTemplate>

</ListView>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 메시지 번호
        /// </summary>
        private int messageNumber;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.listView.ItemsSource = CustomDataObject.GetCustomDataObjectList();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 설명 텍스트 블럭 텍스트 트리밍 트리밍 변경시 처리하기 - descriptionTextBlock_IsTextTrimmedChanged(sender, e)

        /// <summary>
        /// 설명 텍스트 블럭 텍스트 트리밍 트리밍 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void descriptionTextBlock_IsTextTrimmedChanged(TextBlock sender, IsTextTrimmedChangedEventArgs e)
        {
            TextBlock textBlock = sender as TextBlock;

            string text = textBlock.IsTextTrimmed ? textBlock.Text : string.Empty;

            ToolTipService.SetToolTip(textBlock, text);
        }

        #endregion
    }
}

using Microsoft.UI.Xaml;

using Microsoft.UI.Xaml.Controls;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 메시지 번호

/// </summary>

private int messageNumber;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.listView.ItemsSource = CustomDataObject.GetCustomDataObjectList();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 설명 텍스트 블럭 텍스트 트리밍 트리밍 변경시 처리하기 - descriptionTextBlock_IsTextTrimmedChanged(sender, e)

/// <summary>

/// 설명 텍스트 블럭 텍스트 트리밍 트리밍 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void descriptionTextBlock_IsTextTrimmedChanged(TextBlock sender, IsTextTrimmedChangedEventArgs e)

{

TextBlock textBlock = sender as TextBlock;

string text = textBlock.IsTextTrimmed ? textBlock.Text : string.Empty;

ToolTipService.SetToolTip(textBlock, text);

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] ToolTipService 클래스 : SetToolTip 정적 메소드를 사용해 툴팁 설정하기

■ ToolTipService 클래스의 SetToolTip 정적 메소드를 사용해 툴팁을 설정하는 방법을 보여준다. ▶ 예제 코드 (C#)


using Microsoft.UI.Xaml.Controls;

TextBlock textBlock;

...

string text = "툴팁 문자열입니다.";

ToolTipService.SetToolTip(textBlock, text);

using Microsoft.UI.Xaml.Controls;

TextBlock textBlock;

...

string text = "툴팁 문자열입니다.";

ToolTipService.SetToolTip(textBlock, text);

[C#/WINUI3/.NET6] ListView 엘리먼트 : 최근 항목을 맨 아래 추가하기

■ ListView 엘리먼트에서 최근 항목을 맨 아래 추가하는 방법을 보여준다. ▶ Message.cs


using System;

using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메시지
    /// </summary>
    public class Message
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 메시지 텍스트 - MessageText

        /// <summary>
        /// 메시지 텍스트
        /// </summary>
        public string MessageText { get; private set; }

        #endregion
        #region 메시지 시간 - MessageTime

        /// <summary>
        /// 메시지 시간
        /// </summary>
        public DateTime MessageTime { get; private set; }

        #endregion
        #region 메시지 정렬 - MessageAlignment

        /// <summary>
        /// 메시지 정렬
        /// </summary>
        public HorizontalAlignment MessageAlignment { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - Message(messageText, messageTime, messageAlignment)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="messageText">메시지 텍스트</param>
        /// <param name="messageTime">메시지 시간</param>
        /// <param name="messageAlignment">메시지 정렬</param>
        public Message(string messageText, DateTime messageTime, HorizontalAlignment messageAlignment)
        {
            MessageText      = messageText;
            MessageTime      = messageTime;
            MessageAlignment = messageAlignment;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns>문자열</returns>
        public override string ToString()
        {
            return $"{MessageTime} {MessageText}";
        }

        #endregion
    }
}

using System;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메시지

/// </summary>

public class Message

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 메시지 텍스트 - MessageText

/// <summary>

/// 메시지 텍스트

/// </summary>

public string MessageText { get; private set; }

#endregion

#region 메시지 시간 - MessageTime

/// <summary>

/// 메시지 시간

/// </summary>

public DateTime MessageTime { get; private set; }

#endregion

#region 메시지 정렬 - MessageAlignment

/// <summary>

/// 메시지 정렬

/// </summary>

public HorizontalAlignment MessageAlignment { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - Message(messageText, messageTime, messageAlignment)

/// <summary>

/// 생성자

/// </summary>

/// <param name="messageText">메시지 텍스트</param>

/// <param name="messageTime">메시지 시간</param>

/// <param name="messageAlignment">메시지 정렬</param>

public Message(string messageText, DateTime messageTime, HorizontalAlignment messageAlignment)

{

MessageText = messageText;

MessageTime = messageTime;

MessageAlignment = messageAlignment;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns>문자열</returns>

public override string ToString()

{

return $"{MessageTime} {MessageText}";

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid Name="grid"
        Margin="10">
        <Grid.Resources>
            <DataTemplate x:Key="MessageDataTemplateKey" x:DataType="local:Message">
                <Grid
                    HorizontalAlignment="{x:Bind MessageAlignment}"
                    Margin="5"
                    Height="Auto">
                    <StackPanel
                        Width="350"
                        MinHeight="75"
                        Padding="10 0 0 10"
                        Background="{ThemeResource SystemColorHighlightColor}"
                        CornerRadius="{StaticResource ControlCornerRadius}">
                        <TextBlock
                            Padding="0 10 0 0"
                            Foreground="{ThemeResource SystemColorHighlightTextColor}"
                            FontSize="20"
                            Text="{x:Bind MessageText}" />
                        <TextBlock
                            Padding="0 0 0 10"
                            Foreground="{ThemeResource SystemColorHighlightTextColor}"
                            FontSize="15"
                            Text="{x:Bind MessageTime}" />
                    </StackPanel>
                </Grid>
            </DataTemplate>
        </Grid.Resources>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"   />
            <ColumnDefinition Width="10"  />
            <ColumnDefinition Width="150" />
        </Grid.ColumnDefinitions>
        <ListView Name="listView" Grid.Column="0"
            ItemTemplate="{StaticResource MessageDataTemplateKey}"
            BorderThickness="1"
            BorderBrush="{ThemeResource SystemControlForegroundBaseMediumLowBrush}"
            SelectionMode="None">
            <ListView.ItemsPanel>
                <ItemsPanelTemplate>
                    <ItemsStackPanel
                        VerticalAlignment="Bottom"
                        ItemsUpdatingScrollMode="KeepLastItemInView" />
                </ItemsPanelTemplate>
            </ListView.ItemsPanel>
            <ListView.ItemContainerStyle>
                <Style TargetType="ListViewItem">
                    <Setter Property="HorizontalContentAlignment" Value="Stretch" />
                </Style>
            </ListView.ItemContainerStyle>
        </ListView>
        <StackPanel Grid.Column="2">
            <Button Name="sendMessageButton">
                Send Message
            </Button>
            <Button Name="receiveMessageButton">
                Receive Message
            </Button>
        </StackPanel>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid Name="grid"

Margin="10">

<Grid.Resources>

<Grid

HorizontalAlignment="{x:Bind MessageAlignment}"

Margin="5"

Height="Auto">

<StackPanel

Width="350"

MinHeight="75"

Padding="10 0 0 10"

Background="{ThemeResource SystemColorHighlightColor}"

CornerRadius="{StaticResource ControlCornerRadius}">

<TextBlock

Padding="0 10 0 0"

Foreground="{ThemeResource SystemColorHighlightTextColor}"

FontSize="20"

Text="{x:Bind MessageText}" />

<TextBlock

Padding="0 0 0 10"

Foreground="{ThemeResource SystemColorHighlightTextColor}"

FontSize="15"

Text="{x:Bind MessageTime}" />

</StackPanel>

</Grid>

</DataTemplate>

</Grid.Resources>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<ListView Name="listView" Grid.Column="0"

ItemTemplate="{StaticResource MessageDataTemplateKey}"

BorderThickness="1"

BorderBrush="{ThemeResource SystemControlForegroundBaseMediumLowBrush}"

SelectionMode="None">

<ListView.ItemsPanel>

<ItemsStackPanel

VerticalAlignment="Bottom"

ItemsUpdatingScrollMode="KeepLastItemInView" />

</ItemsPanelTemplate>

</ListView.ItemsPanel>

<ListView.ItemContainerStyle>

</Style>

</ListView.ItemContainerStyle>

</ListView>

Send Message

</Button>

Receive Message

</Button>

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;

using Microsoft.UI.Xaml;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public sealed partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 메시지 번호
        /// </summary>
        private int messageNumber;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            AddSendMessageItem();

            this.sendMessageButton.Click    += sendMessageButton_Click;
            this.receiveMessageButton.Click += receiveMessageButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region Send Message 버튼 클릭시 처리하기 - sendMessageButton_Click(sender, e)

        /// <summary>
        /// Send Message 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void sendMessageButton_Click(object sender, RoutedEventArgs e)
        {
            AddSendMessageItem();
        }

        #endregion
        #region Receive Message 버튼 클릭시 처리하기 - receiveMessageButton_Click(sender, e)

        /// <summary>
        /// Receive Message 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void receiveMessageButton_Click(object sender, RoutedEventArgs e)
        {
            this.listView.Items.Add
            (
                new Message
                (
                    $"Message {++this.messageNumber}",
                    DateTime.Now,
                    HorizontalAlignment.Left
                )
            );
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region Send Message 항목 추가하기 - AddSendMessageItem()

        /// <summary>
        /// Send Message 항목 추가하기
        /// </summary>
        private void AddSendMessageItem()
        {
            this.listView.Items.Add
            (
                new Message
                (
                    $"Message {++this.messageNumber}",
                    DateTime.Now,
                    HorizontalAlignment.Right
                )
            );
        }

        #endregion
    }
}

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using System;

using Microsoft.UI.Xaml;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public sealed partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 메시지 번호

/// </summary>

private int messageNumber;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

AddSendMessageItem();

this.sendMessageButton.Click += sendMessageButton_Click;

this.receiveMessageButton.Click += receiveMessageButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region Send Message 버튼 클릭시 처리하기 - sendMessageButton_Click(sender, e)

/// <summary>

/// Send Message 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void sendMessageButton_Click(object sender, RoutedEventArgs e)

{

AddSendMessageItem();

}

#endregion

#region Receive Message 버튼 클릭시 처리하기 - receiveMessageButton_Click(sender, e)

/// <summary>

/// Receive Message 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void receiveMessageButton_Click(object sender, RoutedEventArgs e)

{

this.listView.Items.Add

(

new Message

(

$"Message {++this.messageNumber}",

DateTime.Now,

HorizontalAlignment.Left

)

);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region Send Message 항목 추가하기 - AddSendMessageItem()

/// <summary>

/// Send Message 항목 추가하기

/// </summary>

private void AddSendMessageItem()

{

this.listView.Items.Add

(

new Message

(

$"Message {++this.messageNumber}",

DateTime.Now,

HorizontalAlignment.Right

)

);

}

#endregion

}

TestProject.zip

[C#/WINUI3/.NET6] ListView 클래스 : 필터 처리하기

■ ListView 클래스에서 필터 처리하는 방법을 보여준다. ▶ NativeHelper.cs


using System.Runtime.InteropServices;

namespace TestProject
{
    /// <summary>
    /// 네이티브 헬퍼
    /// </summary>
    public class NativeHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

        /// <summary>
        /// 현재 패키지 ID 구하기
        /// </summary>
        /// <param name="bufferLength">버퍼 길이</param>
        /// <param name="buffer">버퍼</param>
        /// <returns>처리 결과</returns>
        [DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]
        [return : MarshalAs(UnmanagedType.U4)]
        private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// ERROR_SUCCESS
        /// </summary>
        public const int ERROR_SUCCESS = 0;

        /// <summary>
        /// ERROR_INSUFFICIENT_BUFFER
        /// </summary>
        public const int ERROR_INSUFFICIENT_BUFFER = 122;

        /// <summary>
        /// APPMODEL_ERROR_NO_PACKAGE
        /// </summary>
        public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 애플리케이션 패키지 여부 - IsAppPackaged

        /// <summary>
        /// 애플리케이션 패키지 여부
        /// </summary>
        public static bool IsAppPackaged
        {
            get
            {
                int  bufferSize = 0;
                uint lastError  = GetCurrentPackageId(ref bufferSize, out _);
                bool isPackaged = true;

                if(lastError == APPMODEL_ERROR_NO_PACKAGE)
                {
                    isPackaged = false;
                }

                return isPackaged;
            }
        }

        #endregion
    }
}

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// 네이티브 헬퍼

/// </summary>

public class NativeHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

/// <summary>

/// 현재 패키지 ID 구하기

/// </summary>

/// <param name="bufferLength">버퍼 길이</param>

/// <param name="buffer">버퍼</param>

/// <returns>처리 결과</returns>

[DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]

[return : MarshalAs(UnmanagedType.U4)]

private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// ERROR_SUCCESS

/// </summary>

public const int ERROR_SUCCESS = 0;

/// <summary>

/// ERROR_INSUFFICIENT_BUFFER

/// </summary>

public const int ERROR_INSUFFICIENT_BUFFER = 122;

/// <summary>

/// APPMODEL_ERROR_NO_PACKAGE

/// </summary>

public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 애플리케이션 패키지 여부 - IsAppPackaged

/// <summary>

/// 애플리케이션 패키지 여부

/// </summary>

public static bool IsAppPackaged

{

get

{

int bufferSize = 0;

uint lastError = GetCurrentPackageId(ref bufferSize, out _);

bool isPackaged = true;

if(lastError == APPMODEL_ERROR_NO_PACKAGE)

{

isPackaged = false;

}

return isPackaged;

}

#endregion

}

▶ FileLoader.cs


using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

using Windows.Storage;

namespace TestProject
{
    /// <summary>
    /// 파일 로더
    /// </summary>
    public class FileLoader
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 텍스트 로드하기 - LoadText(relativeFilePath)

        /// <summary>
        /// 텍스트 로드하기
        /// </summary>
        /// <param name="relativeFilePath">상대적인 파일 경로</param>
        /// <returns>텍스트</returns>
        public static async Task<string> LoadText(string relativeFilePath)
        {
            StorageFile storageFile = null;

            if(!NativeHelper.IsAppPackaged)
            {
                string entryAssemblyFilePath     = Assembly.GetEntryAssembly().Location;
                string entryAssemblyDirectorPath = Path.GetDirectoryName(entryAssemblyFilePath);
                string filePath                  = Path.Combine(entryAssemblyDirectorPath, relativeFilePath);
                string finalFilePath             = Path.GetFullPath(filePath);

                storageFile = await StorageFile.GetFileFromPathAsync(finalFilePath);
            }
            else
            {
                Uri sourceURI = new Uri($"ms-appx:///{relativeFilePath}");

                storageFile = await StorageFile.GetFileFromApplicationUriAsync(sourceURI);
            }

            return await FileIO.ReadTextAsync(storageFile);
        }

        #endregion
        #region 라인 리스트 로드하기 - LoadLineList(relativeFilePath)

        /// <summary>
        /// 라인 리스트 로드하기
        /// </summary>
        /// <param name="relativeFilePath">상대적인 파일 경로</param>
        /// <returns>라인 리스트</returns>
        public static async Task<IList<string>> LoadLineList(string relativeFilePath)
        {
            string text = await LoadText(relativeFilePath);

            return text.Split(Environment.NewLine).ToList();
        }

        #endregion
    }
}

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Reflection;

using System.Threading.Tasks;

using Windows.Storage;

namespace TestProject

{

/// <summary>

/// 파일 로더

/// </summary>

public class FileLoader

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 텍스트 로드하기 - LoadText(relativeFilePath)

/// <summary>

/// 텍스트 로드하기

/// </summary>

/// <param name="relativeFilePath">상대적인 파일 경로</param>

/// <returns>텍스트</returns>

public static async Task<string> LoadText(string relativeFilePath)

{

StorageFile storageFile = null;

if(!NativeHelper.IsAppPackaged)

{

string entryAssemblyFilePath = Assembly.GetEntryAssembly().Location;

string entryAssemblyDirectorPath = Path.GetDirectoryName(entryAssemblyFilePath);

string filePath = Path.Combine(entryAssemblyDirectorPath, relativeFilePath);

string finalFilePath = Path.GetFullPath(filePath);

storageFile = await StorageFile.GetFileFromPathAsync(finalFilePath);

}

else

{

Uri sourceURI = new Uri($"ms-appx:///{relativeFilePath}");

storageFile = await StorageFile.GetFileFromApplicationUriAsync(sourceURI);

}

return await FileIO.ReadTextAsync(storageFile);

}

#endregion

#region 라인 리스트 로드하기 - LoadLineList(relativeFilePath)

/// <summary>

/// 라인 리스트 로드하기

/// </summary>

/// <param name="relativeFilePath">상대적인 파일 경로</param>

/// <returns>라인 리스트</returns>

public static async Task<IList<string>> LoadLineList(string relativeFilePath)

{

string text = await LoadText(relativeFilePath);

return text.Split(Environment.NewLine).ToList();

}

#endregion

}

▶ GroupInfoList.cs


using System.Collections.Generic;

namespace TestProject
{
    /// <summary>
    /// 그룹 정보 리스트
    /// </summary>
    public class GroupInfoList : List<object>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 키 - Key

        /// <summary>
        /// 키
        /// </summary>
        public object Key { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - GroupInfoList(itemEnumerable)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="itemEnumerable">항목 열거 가능형</param>
        public GroupInfoList(IEnumerable<object> itemEnumerable) : base(itemEnumerable)
        {
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return $"Group {Key}";
        }

        #endregion
    }
}

using System.Collections.Generic;

namespace TestProject

{

/// <summary>

/// 그룹 정보 리스트

/// </summary>

public class GroupInfoList : List<object>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 키 - Key

/// <summary>

/// 키

/// </summary>

public object Key { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - GroupInfoList(itemEnumerable)

/// <summary>

/// 생성자

/// </summary>

/// <param name="itemEnumerable">항목 열거 가능형</param>

public GroupInfoList(IEnumerable<object> itemEnumerable) : base(itemEnumerable)

{

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns></returns>

public override string ToString()

{

return $"Group {Key}";

}

#endregion

}

▶ Contact.cs


using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;

namespace TestProject
{
    /// <summary>
    /// 연락처
    /// </summary>
    public class Contact
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 이름 - FirstName

        /// <summary>
        /// 이름
        /// </summary>
        public string FirstName { get; private set; }

        #endregion
        #region 성 - LastName

        /// <summary>
        /// 성
        /// </summary>
        public string LastName { get; private set; }

        #endregion
        #region 회사 - Company

        /// <summary>
        /// 회사
        /// </summary>
        public string Company { get; private set; }

        #endregion
        #region 성명 - Name

        /// <summary>
        /// 성명
        /// </summary>
        public string Name => $"{FirstName} {LastName}";

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - Contact(firstName, lastName, company)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="firstName">이름</param>
        /// <param name="lastName">성</param>
        /// <param name="company">회사</param>
        public Contact(string firstName, string lastName, string company)
        {
            FirstName = firstName;
            LastName  = lastName;
            Company   = company;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 연락처 컬렉션 구하기 (비동기) - GetContactCollectionAsync()

        /// <summary>
        /// 연락처 컬렉션 구하기 (비동기)
        /// </summary>
        /// <returns>연락처 컬렉션 태스크</returns>
        public async static Task<ObservableCollection<Contact>> GetContactCollectionAsync()
        {
            IList<string> lineList = await FileLoader.LoadLineList("DATA/Contacts.txt");

            ObservableCollection<Contact> contactCollection = new ObservableCollection<Contact>();

            for(int i = 0; i < lineList.Count - 2; i += 3)
            {
                contactCollection.Add(new Contact(lineList[i], lineList[i + 1], lineList[i + 2]));
            }

            return contactCollection;
        }

        #endregion
        #region 그룹 연락처 컬렉션 구하기 (비동기) - GetGroupedContactCollectionAsync()

        /// <summary>
        /// 그룹 연락처 컬렉션 구하기 (비동기)
        /// </summary>
        /// <returns>그룹 연락처 컬렉션 태스크</returns>
        public static async Task<ObservableCollection<GroupInfoList>> GetGroupedContactCollectionAsync()
        {
            var query = from item in await GetContactCollectionAsync()
                        group item by item.LastName.Substring(0, 1).ToUpper() into g
                        orderby g.Key
                        select new GroupInfoList(g) { Key = g.Key };

            return new ObservableCollection<GroupInfoList>(query);
        }

        #endregion
        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns>문자열</returns>
        public override string ToString()
        {
            return Name;
        }

        #endregion
    }
}

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using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Linq;

using System.Threading.Tasks;

namespace TestProject

{

/// <summary>

/// 연락처

/// </summary>

public class Contact

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 이름 - FirstName

/// <summary>

/// 이름

/// </summary>

public string FirstName { get; private set; }

#endregion

#region 성 - LastName

/// <summary>

/// 성

/// </summary>

public string LastName { get; private set; }

#endregion

#region 회사 - Company

/// <summary>

/// 회사

/// </summary>

public string Company { get; private set; }

#endregion

#region 성명 - Name

/// <summary>

/// 성명

/// </summary>

public string Name => $"{FirstName} {LastName}";

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - Contact(firstName, lastName, company)

/// <summary>

/// 생성자

/// </summary>

/// <param name="firstName">이름</param>

/// <param name="lastName">성</param>

/// <param name="company">회사</param>

public Contact(string firstName, string lastName, string company)

{

FirstName = firstName;

LastName = lastName;

Company = company;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 연락처 컬렉션 구하기 (비동기) - GetContactCollectionAsync()

/// <summary>

/// 연락처 컬렉션 구하기 (비동기)

/// </summary>

/// <returns>연락처 컬렉션 태스크</returns>

public async static Task<ObservableCollection<Contact>> GetContactCollectionAsync()

{

IList<string> lineList = await FileLoader.LoadLineList("DATA/Contacts.txt");

ObservableCollection<Contact> contactCollection = new ObservableCollection<Contact>();

for(int i = 0; i < lineList.Count - 2; i += 3)

{

contactCollection.Add(new Contact(lineList[i], lineList[i + 1], lineList[i + 2]));

}

return contactCollection;

}

#endregion

#region 그룹 연락처 컬렉션 구하기 (비동기) - GetGroupedContactCollectionAsync()

/// <summary>

/// 그룹 연락처 컬렉션 구하기 (비동기)

/// </summary>

/// <returns>그룹 연락처 컬렉션 태스크</returns>

public static async Task<ObservableCollection<GroupInfoList>> GetGroupedContactCollectionAsync()

{

var query = from item in await GetContactCollectionAsync()

group item by item.LastName.Substring(0, 1).ToUpper() into g

orderby g.Key

select new GroupInfoList(g) { Key = g.Key };

return new ObservableCollection<GroupInfoList>(query);

}

#endregion

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns>문자열</returns>

public override string ToString()

{

return Name;

}

#endregion

}

▶ MainWindow.xaml


<?xml version="1.0" encoding="utf-8"?>
<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TestProject"
    Title="TestProject">
    <Grid Name="grid"
        Margin="10">
        <Grid.Resources>
            <Style x:Key="TextBlockStyleKey" TargetType="TextBlock">
                <Setter Property="LineStackingStrategy" Value="MaxHeight"          />
                <Setter Property="TextTrimming"         Value="CharacterEllipsis"  />
                <Setter Property="TextWrapping"         Value="Wrap"               />
                <Setter Property="TextLineBounds"       Value="Full"               />
                <Setter Property="FontFamily"           Value="XamlAutoFontFamily" />
                <Setter Property="FontSize"             Value="14"                 />
                <Setter Property="FontWeight"           Value="SemiBold"           />
            </Style>
            <DataTemplate x:Key="ListViewDataTemplateKey" x:DataType="local:Contact">
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="*" />
                        <RowDefinition Height="*" />
                    </Grid.RowDefinitions>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="*"    />
                    </Grid.ColumnDefinitions>
                    <Ellipse x:Name="Ellipse" Grid.Row="0" Grid.RowSpan="2" Grid.Column="0"
                        HorizontalAlignment="Center"
                        VerticalAlignment="Center"
                        Margin="5"
                        Width ="32"
                        Height="32"
                        Fill="{ThemeResource SystemControlBackgroundBaseMediumBrush}" />
                    <TextBlock Grid.Row="0" Grid.Column="1"
                        Style="{ThemeResource TextBlockStyleKey}"
                        Margin="10 5 0 0"
                        x:Phase="1"
                        Text="{x:Bind Name}" />
                    <TextBlock Grid.Row="1" Grid.Column="1"
                        Style="{ThemeResource BodyTextBlockStyle}"
                        Margin="10 0 0 5"
                        x:Phase="2"
                        Text="{x:Bind Company}" />
                </Grid>
            </DataTemplate>
        </Grid.Resources>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"   />
            <ColumnDefinition Width="10"  />
            <ColumnDefinition Width="200" />
        </Grid.ColumnDefinitions>
        <ListView x:Name="listView" Grid.Column="0"
            ItemTemplate="{StaticResource ListViewDataTemplateKey}"
            BorderThickness="1"
            BorderBrush="{ThemeResource SystemControlForegroundBaseMediumLowBrush}"
            SelectionMode="Single"
            ShowsScrollingPlaceholders="True" />
        <StackPanel Grid.Column="2">
            <TextBlock Style="{ThemeResource TextBlockStyleKey}">Filter by...</TextBlock>
            <TextBox Name="firstNameFilterTextBox"
                HorizontalAlignment="Stretch"
                Margin="0 10 0 0"
                Header="First name" />
            <TextBox Name="lastNameFilterTextBox"
                HorizontalAlignment="Stretch"
                Margin="0 10 0 0"
                Header="Last name" />
            <TextBox Name="companyFilterTextBox"
                HorizontalAlignment="Stretch"
                Margin="0 10 0 0"
                Header="Company" />
        </StackPanel>
    </Grid>
</Window>

<?xml version="1.0" encoding="utf-8"?>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:local="using:TestProject"

Title="TestProject">

<Grid Name="grid"

Margin="10">

<Grid.Resources>

</Style>

<Grid>

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<Ellipse x:Name="Ellipse" Grid.Row="0" Grid.RowSpan="2" Grid.Column="0"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Margin="5"

Width ="32"

Height="32"

Fill="{ThemeResource SystemControlBackgroundBaseMediumBrush}" />

<TextBlock Grid.Row="0" Grid.Column="1"

Style="{ThemeResource TextBlockStyleKey}"

Margin="10 5 0 0"

x:Phase="1"

Text="{x:Bind Name}" />

<TextBlock Grid.Row="1" Grid.Column="1"

Style="{ThemeResource BodyTextBlockStyle}"

Margin="10 0 0 5"

x:Phase="2"

Text="{x:Bind Company}" />

</Grid>

</DataTemplate>

</Grid.Resources>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<ListView x:Name="listView" Grid.Column="0"

ItemTemplate="{StaticResource ListViewDataTemplateKey}"

BorderThickness="1"

BorderBrush="{ThemeResource SystemControlForegroundBaseMediumLowBrush}"

SelectionMode="Single"

ShowsScrollingPlaceholders="True" />

<TextBlock Style="{ThemeResource TextBlockStyleKey}">Filter by...</TextBlock>

<TextBox Name="firstNameFilterTextBox"

HorizontalAlignment="Stretch"

Margin="0 10 0 0"

Header="First name" />

<TextBox Name="lastNameFilterTextBox"

HorizontalAlignment="Stretch"

Margin="0 10 0 0"

Header="Last name" />

<TextBox Name="companyFilterTextBox"

HorizontalAlignment="Stretch"

Margin="0 10 0 0"

Header="Company" />

</StackPanel>

</Grid>

</Window>

[C#/WINUI3/.NET6] ListView 엘리먼트 : GroupStyle 속성을 사용해 그룹 헤더 표시하기

■ ListView 엘리먼트의 GroupStyle 속성을 사용해 그룹 헤더를 표시하는 방법을 보여준다. ▶ NativeHelper.cs


using System.Runtime.InteropServices;

namespace TestProject
{
    /// <summary>
    /// 네이티브 헬퍼
    /// </summary>
    public class NativeHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

        /// <summary>
        /// 현재 패키지 ID 구하기
        /// </summary>
        /// <param name="bufferLength">버퍼 길이</param>
        /// <param name="buffer">버퍼</param>
        /// <returns>처리 결과</returns>
        [DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]
        [return : MarshalAs(UnmanagedType.U4)]
        private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// ERROR_SUCCESS
        /// </summary>
        public const int ERROR_SUCCESS = 0;

        /// <summary>
        /// ERROR_INSUFFICIENT_BUFFER
        /// </summary>
        public const int ERROR_INSUFFICIENT_BUFFER = 122;

        /// <summary>
        /// APPMODEL_ERROR_NO_PACKAGE
        /// </summary>
        public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 애플리케이션 패키지 여부 - IsAppPackaged

        /// <summary>
        /// 애플리케이션 패키지 여부
        /// </summary>
        public static bool IsAppPackaged
        {
            get
            {
                int  bufferSize = 0;
                uint lastError  = GetCurrentPackageId(ref bufferSize, out _);
                bool isPackaged = true;

                if(lastError == APPMODEL_ERROR_NO_PACKAGE)
                {
                    isPackaged = false;
                }

                return isPackaged;
            }
        }

        #endregion
    }
}

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// 네이티브 헬퍼

/// </summary>

public class NativeHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

/// <summary>

/// 현재 패키지 ID 구하기

/// </summary>

/// <param name="bufferLength">버퍼 길이</param>

/// <param name="buffer">버퍼</param>

/// <returns>처리 결과</returns>

[DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]

[return : MarshalAs(UnmanagedType.U4)]

private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// ERROR_SUCCESS

/// </summary>

public const int ERROR_SUCCESS = 0;

/// <summary>

/// ERROR_INSUFFICIENT_BUFFER

/// </summary>

public const int ERROR_INSUFFICIENT_BUFFER = 122;

/// <summary>

/// APPMODEL_ERROR_NO_PACKAGE

/// </summary>

public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 애플리케이션 패키지 여부 - IsAppPackaged

/// <summary>

/// 애플리케이션 패키지 여부

/// </summary>

public static bool IsAppPackaged

{

get

{

int bufferSize = 0;

uint lastError = GetCurrentPackageId(ref bufferSize, out _);

bool isPackaged = true;

if(lastError == APPMODEL_ERROR_NO_PACKAGE)

{

isPackaged = false;

}

return isPackaged;

}

#endregion

}

▶ FileLoader.cs


using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

using Windows.Storage;

namespace TestProject
{
    /// <summary>
    /// 파일 로더
    /// </summary>
    public class FileLoader
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 텍스트 로드하기 - LoadText(relativeFilePath)

        /// <summary>
        /// 텍스트 로드하기
        /// </summary>
        /// <param name="relativeFilePath">상대적인 파일 경로</param>
        /// <returns>텍스트</returns>
        public static async Task<string> LoadText(string relativeFilePath)
        {
            StorageFile storageFile = null;

            if(!NativeHelper.IsAppPackaged)
            {
                string entryAssemblyFilePath     = Assembly.GetEntryAssembly().Location;
                string entryAssemblyDirectorPath = Path.GetDirectoryName(entryAssemblyFilePath);
                string filePath                  = Path.Combine(entryAssemblyDirectorPath, relativeFilePath);
                string finalFilePath             = Path.GetFullPath(filePath);

                storageFile = await StorageFile.GetFileFromPathAsync(finalFilePath);
            }
            else
            {
                Uri sourceURI = new Uri($"ms-appx:///{relativeFilePath}");

                storageFile = await StorageFile.GetFileFromApplicationUriAsync(sourceURI);
            }

            return await FileIO.ReadTextAsync(storageFile);
        }

        #endregion
        #region 라인 리스트 로드하기 - LoadLineList(relativeFilePath)

        /// <summary>
        /// 라인 리스트 로드하기
        /// </summary>
        /// <param name="relativeFilePath">상대적인 파일 경로</param>
        /// <returns>라인 리스트</returns>
        public static async Task<IList<string>> LoadLineList(string relativeFilePath)
        {
            string text = await LoadText(relativeFilePath);

            return text.Split(Environment.NewLine).ToList();
        }

        #endregion
    }
}

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Reflection;

using System.Threading.Tasks;

using Windows.Storage;

namespace TestProject

{

/// <summary>

/// 파일 로더

/// </summary>

public class FileLoader

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 텍스트 로드하기 - LoadText(relativeFilePath)

/// <summary>

/// 텍스트 로드하기

/// </summary>

/// <param name="relativeFilePath">상대적인 파일 경로</param>

/// <returns>텍스트</returns>

public static async Task<string> LoadText(string relativeFilePath)

{

StorageFile storageFile = null;

if(!NativeHelper.IsAppPackaged)

{

string entryAssemblyFilePath = Assembly.GetEntryAssembly().Location;

string entryAssemblyDirectorPath = Path.GetDirectoryName(entryAssemblyFilePath);

string filePath = Path.Combine(entryAssemblyDirectorPath, relativeFilePath);

string finalFilePath = Path.GetFullPath(filePath);

storageFile = await StorageFile.GetFileFromPathAsync(finalFilePath);

}

else

{

Uri sourceURI = new Uri($"ms-appx:///{relativeFilePath}");

storageFile = await StorageFile.GetFileFromApplicationUriAsync(sourceURI);

}

return await FileIO.ReadTextAsync(storageFile);

}

#endregion

#region 라인 리스트 로드하기 - LoadLineList(relativeFilePath)

/// <summary>

/// 라인 리스트 로드하기

/// </summary>

/// <param name="relativeFilePath">상대적인 파일 경로</param>

/// <returns>라인 리스트</returns>

public static async Task<IList<string>> LoadLineList(string relativeFilePath)

{

string text = await LoadText(relativeFilePath);

return text.Split(Environment.NewLine).ToList();

}

#endregion

}

▶ GroupInfoList.cs


using System.Collections.Generic;

namespace TestProject
{
    /// <summary>
    /// 그룹 정보 리스트
    /// </summary>
    public class GroupInfoList : List<object>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 키 - Key

        /// <summary>
        /// 키
        /// </summary>
        public object Key { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - GroupInfoList(itemEnumerable)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="itemEnumerable">항목 열거 가능형</param>
        public GroupInfoList(IEnumerable<object> itemEnumerable) : base(itemEnumerable)
        {
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return $"Group {Key}";
        }

        #endregion
    }
}

using System.Collections.Generic;

namespace TestProject

{

/// <summary>

/// 그룹 정보 리스트

/// </summary>

public class GroupInfoList : List<object>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 키 - Key

/// <summary>

/// 키

/// </summary>

public object Key { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - GroupInfoList(itemEnumerable)

/// <summary>

/// 생성자

/// </summary>

/// <param name="itemEnumerable">항목 열거 가능형</param>

public GroupInfoList(IEnumerable<object> itemEnumerable) : base(itemEnumerable)

{

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns></returns>

public override string ToString()

{

return $"Group {Key}";

}

#endregion

}

▶ Contact.cs

[C#/WINUI3/.NET6] ListView 클래스 : DragItemsStarting/DragEnter/DragOver/Drop 이벤트를 사용해 드래그 드롭 처리하기

■ ListView 클래스의 DragItemsStarting/DragEnter/DragOver/Drop 이벤트를 사용해 드래그 드롭을 처리하는 방법을 보여준다. ▶ NativeHelper.cs


using System.Runtime.InteropServices;

namespace TestProject
{
    /// <summary>
    /// 네이티브 헬퍼
    /// </summary>
    public class NativeHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

        /// <summary>
        /// 현재 패키지 ID 구하기
        /// </summary>
        /// <param name="bufferLength">버퍼 길이</param>
        /// <param name="buffer">버퍼</param>
        /// <returns>처리 결과</returns>
        [DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]
        [return : MarshalAs(UnmanagedType.U4)]
        private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// ERROR_SUCCESS
        /// </summary>
        public const int ERROR_SUCCESS = 0;

        /// <summary>
        /// ERROR_INSUFFICIENT_BUFFER
        /// </summary>
        public const int ERROR_INSUFFICIENT_BUFFER = 122;

        /// <summary>
        /// APPMODEL_ERROR_NO_PACKAGE
        /// </summary>
        public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 애플리케이션 패키지 여부 - IsAppPackaged

        /// <summary>
        /// 애플리케이션 패키지 여부
        /// </summary>
        public static bool IsAppPackaged
        {
            get
            {
                int  bufferSize = 0;
                uint lastError  = GetCurrentPackageId(ref bufferSize, out _);
                bool isPackaged = true;

                if(lastError == APPMODEL_ERROR_NO_PACKAGE)
                {
                    isPackaged = false;
                }

                return isPackaged;
            }
        }

        #endregion
    }
}

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// 네이티브 헬퍼

/// </summary>

public class NativeHelper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 현재 패키지 ID 구하기 - GetCurrentPackageId(bufferLength, buffer)

/// <summary>

/// 현재 패키지 ID 구하기

/// </summary>

/// <param name="bufferLength">버퍼 길이</param>

/// <param name="buffer">버퍼</param>

/// <returns>처리 결과</returns>

[DllImport("api-ms-win-appmodel-runtime-l1-1-1", SetLastError = true)]

[return : MarshalAs(UnmanagedType.U4)]

private static extern uint GetCurrentPackageId(ref int bufferLength, out byte buffer);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// ERROR_SUCCESS

/// </summary>

public const int ERROR_SUCCESS = 0;

/// <summary>

/// ERROR_INSUFFICIENT_BUFFER

/// </summary>

public const int ERROR_INSUFFICIENT_BUFFER = 122;

/// <summary>

/// APPMODEL_ERROR_NO_PACKAGE

/// </summary>

public const int APPMODEL_ERROR_NO_PACKAGE = 15700;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 애플리케이션 패키지 여부 - IsAppPackaged

/// <summary>

/// 애플리케이션 패키지 여부

/// </summary>

public static bool IsAppPackaged

{

get

{

int bufferSize = 0;

uint lastError = GetCurrentPackageId(ref bufferSize, out _);

bool isPackaged = true;

if(lastError == APPMODEL_ERROR_NO_PACKAGE)

{

isPackaged = false;

}

return isPackaged;

}

#endregion

}

▶ FileLoader.cs


using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

using Windows.Storage;

namespace TestProject
{
    /// <summary>
    /// 파일 로더
    /// </summary>
    public class FileLoader
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 텍스트 로드하기 - LoadText(relativeFilePath)

        /// <summary>
        /// 텍스트 로드하기
        /// </summary>
        /// <param name="relativeFilePath">상대적인 파일 경로</param>
        /// <returns>텍스트</returns>
        public static async Task<string> LoadText(string relativeFilePath)
        {
            StorageFile storageFile = null;

            if(!NativeHelper.IsAppPackaged)
            {
                string entryAssemblyFilePath     = Assembly.GetEntryAssembly().Location;
                string entryAssemblyDirectorPath = Path.GetDirectoryName(entryAssemblyFilePath);
                string filePath                  = Path.Combine(entryAssemblyDirectorPath, relativeFilePath);
                string finalFilePath             = Path.GetFullPath(filePath);

                storageFile = await StorageFile.GetFileFromPathAsync(finalFilePath);
            }
            else
            {
                Uri sourceURI = new Uri($"ms-appx:///{relativeFilePath}");

                storageFile = await StorageFile.GetFileFromApplicationUriAsync(sourceURI);
            }

            return await FileIO.ReadTextAsync(storageFile);
        }

        #endregion
        #region 라인 리스트 로드하기 - LoadLineList(relativeFilePath)

        /// <summary>
        /// 라인 리스트 로드하기
        /// </summary>
        /// <param name="relativeFilePath">상대적인 파일 경로</param>
        /// <returns>라인 리스트</returns>
        public static async Task<IList<string>> LoadLineList(string relativeFilePath)
        {
            string text = await LoadText(relativeFilePath);

            return text.Split(Environment.NewLine).ToList();
        }

        #endregion
    }
}

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Reflection;

using System.Threading.Tasks;

using Windows.Storage;

namespace TestProject

{

/// <summary>

/// 파일 로더

/// </summary>

public class FileLoader

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Public

#region 텍스트 로드하기 - LoadText(relativeFilePath)

/// <summary>

/// 텍스트 로드하기

/// </summary>

/// <param name="relativeFilePath">상대적인 파일 경로</param>

/// <returns>텍스트</returns>

public static async Task<string> LoadText(string relativeFilePath)

{

StorageFile storageFile = null;

if(!NativeHelper.IsAppPackaged)

{

string entryAssemblyFilePath = Assembly.GetEntryAssembly().Location;

string entryAssemblyDirectorPath = Path.GetDirectoryName(entryAssemblyFilePath);

string filePath = Path.Combine(entryAssemblyDirectorPath, relativeFilePath);

string finalFilePath = Path.GetFullPath(filePath);

storageFile = await StorageFile.GetFileFromPathAsync(finalFilePath);

}

else

{

Uri sourceURI = new Uri($"ms-appx:///{relativeFilePath}");

storageFile = await StorageFile.GetFileFromApplicationUriAsync(sourceURI);

}

return await FileIO.ReadTextAsync(storageFile);

}

#endregion

#region 라인 리스트 로드하기 - LoadLineList(relativeFilePath)

/// <summary>

/// 라인 리스트 로드하기

/// </summary>

/// <param name="relativeFilePath">상대적인 파일 경로</param>

/// <returns>라인 리스트</returns>

public static async Task<IList<string>> LoadLineList(string relativeFilePath)

{

string text = await LoadText(relativeFilePath);

return text.Split(Environment.NewLine).ToList();

}

#endregion

}

▶ GroupInfoList.cs


using System.Collections.Generic;

namespace TestProject
{
    /// <summary>
    /// 그룹 정보 리스트
    /// </summary>
    public class GroupInfoList : List<object>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 키 - Key

        /// <summary>
        /// 키
        /// </summary>
        public object Key { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - GroupInfoList(itemEnumerable)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="itemEnumerable">항목 열거 가능형</param>
        public GroupInfoList(IEnumerable<object> itemEnumerable) : base(itemEnumerable)
        {
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return $"Group {Key}";
        }

        #endregion
    }
}

using System.Collections.Generic;

namespace TestProject

{

/// <summary>

/// 그룹 정보 리스트

/// </summary>

public class GroupInfoList : List<object>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 키 - Key

/// <summary>

/// 키

/// </summary>

public object Key { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - GroupInfoList(itemEnumerable)

/// <summary>

/// 생성자

/// </summary>

/// <param name="itemEnumerable">항목 열거 가능형</param>

public GroupInfoList(IEnumerable<object> itemEnumerable) : base(itemEnumerable)

{

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns></returns>

public override string ToString()

{

return $"Group {Key}";

}

#endregion

}

▶ Contact.cs