[C#/WINUI2.5] ScalarTransition 엘리먼트 사용하기

■ ScalarTransition 엘리먼트를 사용하는 방법을 보여준다.

▶ MainPage.xaml


<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:muxc="using:Microsoft.UI.Xaml.Controls"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid Margin="50">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"    />
            <ColumnDefinition Width="50"   />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        <Rectangle Name="rectangle" Grid.Column="0"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Width="50"
            Height="50"
            Fill="{ThemeResource SystemAccentColor}"
            Opacity="0.5">
            <Rectangle.OpacityTransition>
                <ScalarTransition />
            </Rectangle.OpacityTransition>
        </Rectangle>
        <StackPanel Grid.Column="2"
            VerticalAlignment="Center"
            Spacing="10">
            <muxc:NumberBox Name="numberBox"
                Header="불투명도 (0.0 ~ 1.0)"
                Minimum="0"
                Maximum="1"
                Value="0.5"
                KeyDown="numberBox_KeyDown" />
            <Button
                Width="120"
                Height="30"
                Content="불투명도 설정"
                Click="setButton_Click" />
        </StackPanel>
    </Grid>
</Page>

<Page x:Class="TestProject.MainPage"

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

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

xmlns:muxc="using:Microsoft.UI.Xaml.Controls"

Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<Rectangle Name="rectangle" Grid.Column="0"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Width="50"

Height="50"

Fill="{ThemeResource SystemAccentColor}"

Opacity="0.5">

<Rectangle.OpacityTransition>

</Rectangle.OpacityTransition>

</Rectangle>

<StackPanel Grid.Column="2"

VerticalAlignment="Center"

Spacing="10">

<muxc:NumberBox Name="numberBox"

Header="불투명도 (0.0 ~ 1.0)"

Minimum="0"

Maximum="1"

Value="0.5"

KeyDown="numberBox_KeyDown" />

<Button

Width="120"

Height="30"

Content="불투명도 설정"

Click="setButton_Click" />

</StackPanel>

</Grid>

</Page>

▶ MainPage.xaml.cs


using Microsoft.UI.Xaml.Controls;
using Windows.Foundation;
using Windows.Foundation.Metadata;
using Windows.Graphics.Display;
using Windows.System;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Input;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

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

            #region 윈도우 크기를 설정한다.

            double width  = 800d;
            double height = 600d;

            double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

            ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

            Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

            ApplicationView.PreferredLaunchViewSize = windowSize;

            Window.Current.Activate();

            ApplicationView.GetForCurrentView().TryResizeView(windowSize);

            #endregion
            #region 윈도우 제목을 설정한다.

            ApplicationView.GetForCurrentView().Title = "ScalarTransition 엘리먼트 사용하기";

            #endregion
        }

        #endregion

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

        #region 넘버 박스 키 DOWN 처리하기 - numberBox_KeyDown(sender, e)

        /// <summary>
        /// 넘버 박스 키 DOWN 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void numberBox_KeyDown(object sender, KeyRoutedEventArgs e)
        {
            if(e.Key == VirtualKey.Enter)
            {
                setButton_Click(null, null);
            }
        }

        #endregion
        #region 불투명도 설정 버튼 클릭시 처리하기 - setButton_Click(sender, e)

        /// <summary>
        /// 불투명도 설정 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void setButton_Click(object sender, RoutedEventArgs e)
        {
            if(!ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7))
            {
                return;
            }

            double value = CheckValue(this.numberBox);

            this.rectangle.Opacity = value;
        }

        #endregion

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

        #region 값 체크하기 - CheckValue(numberBox)

        /// <summary>
        /// 값 체크하기
        /// </summary>
        /// <param name="numberBox">넘버 박스</param>
        /// <returns>값</returns>
        private double CheckValue(NumberBox numberBox)
        {
            if(double.IsNaN(numberBox.Value))
            {
                numberBox.Value = 0;
            }

            return numberBox.Value;
        }

        #endregion
    }
}

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using Microsoft.UI.Xaml.Controls;

using Windows.Foundation;

using Windows.Foundation.Metadata;

using Windows.Graphics.Display;

using Windows.System;

using Windows.UI.ViewManagement;

using Windows.UI.Xaml;

using Windows.UI.Xaml.Controls;

using Windows.UI.Xaml.Input;

namespace TestProject

{

/// <summary>

/// 메인 페이지

/// </summary>

public sealed partial class MainPage : Page

{

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

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

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

InitializeComponent();

#region 윈도우 크기를 설정한다.

double width = 800d;

double height = 600d;

double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

ApplicationView.PreferredLaunchViewSize = windowSize;

Window.Current.Activate();

ApplicationView.GetForCurrentView().TryResizeView(windowSize);

#endregion

#region 윈도우 제목을 설정한다.

ApplicationView.GetForCurrentView().Title = "ScalarTransition 엘리먼트 사용하기";

#endregion

}

#endregion

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

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

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

#region 넘버 박스 키 DOWN 처리하기 - numberBox_KeyDown(sender, e)

/// <summary>

/// 넘버 박스 키 DOWN 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void numberBox_KeyDown(object sender, KeyRoutedEventArgs e)

{

if(e.Key == VirtualKey.Enter)

{

setButton_Click(null, null);

}

#endregion

#region 불투명도 설정 버튼 클릭시 처리하기 - setButton_Click(sender, e)

/// <summary>

/// 불투명도 설정 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void setButton_Click(object sender, RoutedEventArgs e)

{

if(!ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7))

{

return;

}

double value = CheckValue(this.numberBox);

this.rectangle.Opacity = value;

}

#endregion

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

#region 값 체크하기 - CheckValue(numberBox)

/// <summary>

/// 값 체크하기

/// </summary>

/// <param name="numberBox">넘버 박스</param>

/// <returns>값</returns>

private double CheckValue(NumberBox numberBox)

{

if(double.IsNaN(numberBox.Value))

{

numberBox.Value = 0;

}

return numberBox.Value;

}

#endregion

}

TestProject.zip