ACTION Archives - icodebroker

[C#/WINUI3/COMMUNITY TOOLKIT/.NET8] NavigateToUriAction 엘리먼트 : NavigateUri 속성을 사용해 특정 URI 탐색하기

■ NavigateToUriAction 엘리먼트의 NavigateUri 속성을 사용해 특정 URI를 탐색하는 방법을 보여준다. ▶ 예제 코드 (XAML)


<?xml version="1.0" encoding="utf-8"?>
<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:mxi="using:Microsoft.Xaml.Interactivity"
    xmlns:mxic="using:Microsoft.Xaml.Interactions.Core"
    xmlns:ctwb="using:CommunityToolkit.WinUI.Behaviors"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Button
        HorizontalAlignment="Center"
        VerticalAlignment="Center"
        Padding="10"
        Content="Click to navigate">
        <mxi:Interaction.Behaviors>
            <mxic:EventTriggerBehavior EventName="Click">
                <ctwb:NavigateToUriAction NavigateUri="https://icodebroker.com" />
            </mxic:EventTriggerBehavior>
        </mxi:Interaction.Behaviors>
    </Button>
</Page>

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

<Page x:Class="TestProject.MainPage"

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

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

xmlns:mxi="using:Microsoft.Xaml.Interactivity"

xmlns:mxic="using:Microsoft.Xaml.Interactions.Core"

xmlns:ctwb="using:CommunityToolkit.WinUI.Behaviors"

Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"

FontFamily="나눔고딕코딩"

FontSize="16">

<Button

HorizontalAlignment="Center"

VerticalAlignment="Center"

Padding="10"

Content="Click to navigate">

<mxi:Interaction.Behaviors>

<mxic:EventTriggerBehavior EventName="Click">

<ctwb:NavigateToUriAction NavigateUri="https://icodebroker.com" />

</mxic:EventTriggerBehavior>

</mxi:Interaction.Behaviors>

</Button>

</Page>

[C#/WINUI3/COMMUNITY TOOLKIT/.NET8] CallMethodAction 엘리먼트 : TargetObject/MethodName 속성을 사용해 특정 객체 작업 실행하기

■ CallMethodAction 엘리먼트의 TargetObject/MethodName 속성을 사용해 특정 객체의 작업을 실행하는 방법을 보여준다. ※ 비주얼 스튜디오에서 TestProject(Unpackaged) 모드로 빌드한다. ※ TestProject.csproj 프로젝트 파일에서

[C#/WINUI3/COMMUNITY TOOLKIT] InvokeCommandAction 엘리먼트 : Command 속성을 사용해 명령 실행하기

■ InvokeCommandAction 엘리먼트의 Command 속성을 사용해 명령을 실행하는 방법을 보여준다. ※ 비주얼 스튜디오에서 TestProject(Unpackaged) 모드로 빌드한다. ※ TestProject.csproj 프로젝트 파일에서 WindowsPackageType 태그를

[C#/WPF] TriggerAction 클래스 : 전경색 변경 액션 만들기

■ TriggerAction<T> 클래스를 사용해 전경색 변경 액션을 만드는 방법을 보여준다. ▶ ChangeForegroundAction.cs


using System.Windows;
using System.Windows.Controls;
using System.Windows.Interactivity;
using System.Windows.Media;

namespace TestProject
{
    /// <summary>
    /// 전경색 변경 액션
    /// </summary>
    public class ChangeForegroundAction : TriggerAction<TextBlock>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 전경 브러시 속성 - ForegroundProperty

        /// <summary>
        /// 전경 브러시 속성
        /// </summary>
        public static readonly DependencyProperty ForegroundProperty = DependencyProperty.Register
        (
            "Foreground",
            typeof(Brush),
            typeof(ChangeForegroundAction),
            new PropertyMetadata(Brushes.Black)
        );

        #endregion

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

        #region 전경 브러시 - Foreground

        /// <summary>
        /// 전경 브러시
        /// </summary>
        public Brush Foreground
        {
            get
            {
                return (Brush)GetValue(ForegroundProperty);
            }
            set
            {
                SetValue(ForegroundProperty, value);
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 호출하기 - Invoke(parameter)

        /// <summary>
        /// 호출하기
        /// </summary>
        /// <param name="parameter">매개 변수</param>
        protected override void Invoke(object parameter)
        {
            TextBlock textBlock = AssociatedObject as TextBlock;

            if(textBlock == null || parameter == null)
            {
                return;
            }

            string parametString = parameter.ToString().ToUpper();

            if(parametString == "CHANGE")
            {
                textBlock.Foreground = Foreground;
            }
            else
            {
                textBlock.Foreground = Brushes.Black;
            }
        }

        #endregion
    }
}

using System.Windows;

using System.Windows.Controls;

using System.Windows.Interactivity;

using System.Windows.Media;

namespace TestProject

{

/// <summary>

/// 전경색 변경 액션

/// </summary>

public class ChangeForegroundAction : TriggerAction<TextBlock>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property

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

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

#region 전경 브러시 속성 - ForegroundProperty

/// <summary>

/// 전경 브러시 속성

/// </summary>

public static readonly DependencyProperty ForegroundProperty = DependencyProperty.Register

(

"Foreground",

typeof(Brush),

typeof(ChangeForegroundAction),

new PropertyMetadata(Brushes.Black)

);

#endregion

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

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

#region 전경 브러시 - Foreground

/// <summary>

/// 전경 브러시

/// </summary>

public Brush Foreground

{

get

{

return (Brush)GetValue(ForegroundProperty);

}

set

{

SetValue(ForegroundProperty, value);

}

#endregion

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

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 호출하기 - Invoke(parameter)

/// <summary>

/// 호출하기

/// </summary>

/// <param name="parameter">매개 변수</param>

protected override void Invoke(object parameter)

{

TextBlock textBlock = AssociatedObject as TextBlock;

if(textBlock == null || parameter == null)

{

return;

}

string parametString = parameter.ToString().ToUpper();

if(parametString == "CHANGE")

{

textBlock.Foreground = Foreground;

}

else

{

textBlock.Foreground = Brushes.Black;

}

#endregion

}

▶ TextChangedTrigger.cs


using System;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Interactivity;

namespace TestProject
{
    /// <summary>
    /// 텍스트 변경시 트리거
    /// </summary>
    public class TextChangedTrigger : TriggerBase<TextBlock>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 변경 시간 속성 - ChangeTimeProperty

        /// <summary>
        /// 변경 시간 속성
        /// </summary>
        public static readonly DependencyProperty ChangeTimeProperty = DependencyProperty.Register
        (
            "ChangeTime",
            typeof(string),
            typeof(TextChangedTrigger),
            new PropertyMetadata(string.Empty)
        );

        #endregion

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

        #region 변경 시간 - ChangeTime

        /// <summary>
        /// 변경 시간
        /// </summary>
        public string ChangeTime
        {
            get
            {
                return (string)GetValue(ChangeTimeProperty);
            }
            set
            {
                SetValue(ChangeTimeProperty, value);
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 부착시 처리하기 - OnAttached()

        /// <summary>
        /// 부착시 처리하기
        /// </summary>
        protected override void OnAttached()
        {
            base.OnAttached();

            AssociatedObject.Loaded += AssociatedObject_Loaded;
        }

        #endregion
        #region 탈착시 처리하기 - OnDetaching()

        /// <summary>
        /// 탈착시 처리하기
        /// </summary>
        protected override void OnDetaching()
        {
            AssociatedObject.Loaded -= AssociatedObject_Loaded;

            base.OnDetaching();
        }

        #endregion

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

        #region 결합 객체 로드시 처리하기 - AssociatedObject_Loaded(sender, e)

        /// <summary>
        /// 결합 객체 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void AssociatedObject_Loaded(object sender, RoutedEventArgs e)
        {
            TextBlock textBlock = AssociatedObject as TextBlock;

            if(textBlock == null)
            {
                return;
            }

            DependencyPropertyDescriptor descriptor = DependencyPropertyDescriptor.FromProperty
            (
                TextBlock.TextProperty,
                typeof(TextBlock)
            );

            if(descriptor == null)
            {
                return;
            }

            descriptor.AddValueChanged(textBlock, textBlock_TextChanged);
        }

        #endregion
        #region 텍스트 블럭 텍스트 변경시 처리하기 - textBlock_TextChanged(sender, e)

        /// <summary>
        /// 텍스트 블럭 텍스트 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void textBlock_TextChanged(object sender, EventArgs e)
        {
            TextBlock textBlock = sender as TextBlock;

            if(textBlock == null)
            {
                return;
            }

            if(ChangeTime.Contains(textBlock.Text))
            {
                InvokeActions("CHANGE");
            }
            else
            {
                InvokeActions("");
            }
        }

        #endregion
    }
}

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using System;

using System.ComponentModel;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Interactivity;

namespace TestProject

{

/// <summary>

/// 텍스트 변경시 트리거

/// </summary>

public class TextChangedTrigger : TriggerBase<TextBlock>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Dependency Property

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

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

#region 변경 시간 속성 - ChangeTimeProperty

/// <summary>

/// 변경 시간 속성

/// </summary>

public static readonly DependencyProperty ChangeTimeProperty = DependencyProperty.Register

(

"ChangeTime",

typeof(string),

typeof(TextChangedTrigger),

new PropertyMetadata(string.Empty)

);

#endregion

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

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

#region 변경 시간 - ChangeTime

/// <summary>

/// 변경 시간

/// </summary>

public string ChangeTime

{

get

{

return (string)GetValue(ChangeTimeProperty);

}

set

{

SetValue(ChangeTimeProperty, value);

}

#endregion

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

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 부착시 처리하기 - OnAttached()

/// <summary>

/// 부착시 처리하기

/// </summary>

protected override void OnAttached()

{

base.OnAttached();

AssociatedObject.Loaded += AssociatedObject_Loaded;

}

#endregion

#region 탈착시 처리하기 - OnDetaching()

/// <summary>

/// 탈착시 처리하기

/// </summary>

protected override void OnDetaching()

{

AssociatedObject.Loaded -= AssociatedObject_Loaded;

base.OnDetaching();

}

#endregion

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

#region 결합 객체 로드시 처리하기 - AssociatedObject_Loaded(sender, e)

/// <summary>

/// 결합 객체 로드시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void AssociatedObject_Loaded(object sender, RoutedEventArgs e)

{

TextBlock textBlock = AssociatedObject as TextBlock;

if(textBlock == null)

{

return;

}

DependencyPropertyDescriptor descriptor = DependencyPropertyDescriptor.FromProperty

(

TextBlock.TextProperty,

typeof(TextBlock)

);

if(descriptor == null)

{

return;

}

descriptor.AddValueChanged(textBlock, textBlock_TextChanged);

}

#endregion

#region 텍스트 블럭 텍스트 변경시 처리하기 - textBlock_TextChanged(sender, e)

/// <summary>

/// 텍스트 블럭 텍스트 변경시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void textBlock_TextChanged(object sender, EventArgs e)

{

TextBlock textBlock = sender as TextBlock;

if(textBlock == null)

{

return;

}

if(ChangeTime.Contains(textBlock.Text))

{

InvokeActions("CHANGE");

}

else

{

InvokeActions("");

}

#endregion

}

▶ MainWindow.xaml


<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
    xmlns:ei="http://schemas.microsoft.com/expression/2010/interactions"
    xmlns:local="clr-namespace:TestProject"
    Width="800"
    Height="600"
    Title="TriggerAction&lt;T&gt; 클래스 : 전경색 변경 액션 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Window.Resources>
        <Storyboard x:Key="hourStoryboard">
            <DoubleAnimationUsingKeyFrames
                Storyboard.TargetName="hourTextBlock"
                Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">
                <EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="1.1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <SineEase EasingMode="EaseIn" />
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:1" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <SineEase EasingMode="EaseOut" />
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
        <Storyboard x:Key="minuteStoryboard">
            <DoubleAnimationUsingKeyFrames
                Storyboard.TargetName="minuteTextBlock"
                Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">
                <EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="1.1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <SineEase EasingMode="EaseIn" />
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:1" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <SineEase EasingMode="EaseOut" />
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
        <Storyboard x:Key="secondStoryboard">
            <DoubleAnimationUsingKeyFrames
                Storyboard.TargetName="secondTextBlock"
                Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">
                <EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="1.1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <SineEase EasingMode="EaseIn" />
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:1" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <SineEase EasingMode="EaseOut" />
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
    </Window.Resources>
    <Grid>
        <Grid
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Grid.Resources>
                <Style TargetType="{x:Type TextBlock}">
                    <Setter Property="HorizontalAlignment" Value="Center" />
                    <Setter Property="FontSize"            Value="100"    />
                </Style>
            </Grid.Resources>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <!-- 시 -->
            <TextBlock x:Name="hourTextBlock" Grid.Column="0"
                RenderTransformOrigin="0.5 1"
                Text="00">
                <TextBlock.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform     />
                        <SkewTransform      />
                        <RotateTransform    />
                        <TranslateTransform />
                    </TransformGroup>
                </TextBlock.RenderTransform>
                <i:Interaction.Triggers>
                    <local:TextChangedTrigger ChangeTime="23">
                        <ei:ControlStoryboardAction Storyboard="{StaticResource hourStoryboard}" />
                        <local:ChangeForegroundAction Foreground="Red" />
                    </local:TextChangedTrigger>
                </i:Interaction.Triggers>
            </TextBlock>
            <TextBlock Grid.Column="1"
                Text=":" />
            <!-- 분 -->
            <TextBlock x:Name="minuteTextBlock" Grid.Column="2"
                RenderTransformOrigin="0.5 1"
                Text="00">
                <TextBlock.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform     />
                        <SkewTransform      />
                        <RotateTransform    />
                        <TranslateTransform />
                    </TransformGroup>
                </TextBlock.RenderTransform>
                <i:Interaction.Triggers>
                    <local:TextChangedTrigger ChangeTime="10 12 14 16">
                        <ei:ControlStoryboardAction Storyboard="{StaticResource minuteStoryboard}"/>
                        <local:ChangeForegroundAction Foreground="Green" />
                    </local:TextChangedTrigger>
                </i:Interaction.Triggers>
            </TextBlock>
            <TextBlock Grid.Column="3"
                Text=":" />
            <!-- 초 -->
            <TextBlock x:Name="secondTextBlock" Grid.Column="4"
                RenderTransformOrigin="0.5 1"
                Text="00">
                <TextBlock.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform     />
                        <SkewTransform      />
                        <RotateTransform    />
                        <TranslateTransform />
                    </TransformGroup>
                </TextBlock.RenderTransform>
                <i:Interaction.Triggers>
                    <local:TextChangedTrigger ChangeTime="10 20 30 40 50">
                        <ei:ControlStoryboardAction Storyboard="{StaticResource secondStoryboard}" />
                        <local:ChangeForegroundAction Foreground="Blue" />
                    </local:TextChangedTrigger>
                </i:Interaction.Triggers>
            </TextBlock>
        </Grid>
    </Grid>
</Window>

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<Window x:Class="TestProject.MainWindow"

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

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

xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"

xmlns:ei="http://schemas.microsoft.com/expression/2010/interactions"

xmlns:local="clr-namespace:TestProject"

Width="800"

Height="600"

Title="TriggerAction<T> 클래스 : 전경색 변경 액션 사용하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Window.Resources>

<DoubleAnimationUsingKeyFrames

Storyboard.TargetName="hourTextBlock"

Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">

<EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame>

<EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

<DoubleAnimationUsingKeyFrames

Storyboard.TargetName="minuteTextBlock"

Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">

<EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame>

<EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

<DoubleAnimationUsingKeyFrames

Storyboard.TargetName="secondTextBlock"

Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)">

<EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame>

<EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame.EasingFunction>

</EasingDoubleKeyFrame>

</DoubleAnimationUsingKeyFrames>

</Storyboard>

</Window.Resources>

<Grid>

<Grid

HorizontalAlignment="Center"

VerticalAlignment="Center">

<Grid.Resources>

</Style>

</Grid.Resources>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<TextBlock x:Name="hourTextBlock" Grid.Column="0"

RenderTransformOrigin="0.5 1"

Text="00">

<TextBlock.RenderTransform>

</TransformGroup>

</TextBlock.RenderTransform>

<i:Interaction.Triggers>

<local:TextChangedTrigger ChangeTime="23">

<ei:ControlStoryboardAction Storyboard="{StaticResource hourStoryboard}" />

<local:ChangeForegroundAction Foreground="Red" />

</local:TextChangedTrigger>

</i:Interaction.Triggers>

</TextBlock>

<TextBlock Grid.Column="1"

Text=":" />

<TextBlock x:Name="minuteTextBlock" Grid.Column="2"

RenderTransformOrigin="0.5 1"

Text="00">

<TextBlock.RenderTransform>

</TransformGroup>

</TextBlock.RenderTransform>

<i:Interaction.Triggers>

<local:TextChangedTrigger ChangeTime="10 12 14 16">

<ei:ControlStoryboardAction Storyboard="{StaticResource minuteStoryboard}"/>

<local:ChangeForegroundAction Foreground="Green" />

</local:TextChangedTrigger>

</i:Interaction.Triggers>

</TextBlock>

<TextBlock Grid.Column="3"

Text=":" />

<TextBlock x:Name="secondTextBlock" Grid.Column="4"

RenderTransformOrigin="0.5 1"

Text="00">

<TextBlock.RenderTransform>

</TransformGroup>

</TextBlock.RenderTransform>

<i:Interaction.Triggers>

<local:TextChangedTrigger ChangeTime="10 20 30 40 50">

<ei:ControlStoryboardAction Storyboard="{StaticResource secondStoryboard}" />

<local:ChangeForegroundAction Foreground="Blue" />

</local:TextChangedTrigger>

</i:Interaction.Triggers>

</TextBlock>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Windows;
using System.Windows.Threading;

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

        #region 생성자 - MainWindow()

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

            DispatcherTimer timer = new DispatcherTimer
            {
                Interval = TimeSpan.FromSeconds(1)
            };

            timer.Tick += timer_Tick;

            timer.Start();
        }

        #endregion

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

        #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, EventArgs e)
        {
            if(DateTime.Now.Hour > 12)
            {
                this.hourTextBlock.Text = (DateTime.Now.Hour - 12).ToString("D2");
            }
            else
            {
                this.hourTextBlock.Text = DateTime.Now.Hour.ToString("D2");
            }

            this.minuteTextBlock.Text = DateTime.Now.Minute.ToString("D2");

            this.secondTextBlock.Text = DateTime.Now.Second.ToString("D2");
        }

        #endregion
    }
}

using System;

using System.Windows;

using System.Windows.Threading;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

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

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

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

DispatcherTimer timer = new DispatcherTimer

{

Interval = TimeSpan.FromSeconds(1)

};

timer.Tick += timer_Tick;

timer.Start();

}

#endregion

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

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

#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, EventArgs e)

{

if(DateTime.Now.Hour > 12)

{

this.hourTextBlock.Text = (DateTime.Now.Hour - 12).ToString("D2");

}

else

{

this.hourTextBlock.Text = DateTime.Now.Hour.ToString("D2");

}

this.minuteTextBlock.Text = DateTime.Now.Minute.ToString("D2");

this.secondTextBlock.Text = DateTime.Now.Second.ToString("D2");

}

#endregion

}

[C#/WPF] 지연 실행 액션 사용하기

■ 지연 실행 액션을 사용하는 방법을 보여준다. ▶ DeferredAction.cs


using System;
using System.Threading;
using System.Windows;

namespace TestProject
{
    /// <summary>
    /// 지연 실행 액션
    /// </summary>
    public sealed class DeferredAction : IDisposable
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 타이머
        /// </summary>
        private readonly Timer timer;

        /// <summary>
        /// 리소스 해제 여부
        /// </summary>
        private bool isDisposed;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 생성자 - DeferredAction(action)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="action">액션</param>
        private DeferredAction(Action<DeferredAction> action)
        {
            this.timer = new Timer
            (
                state => Application.Current?.Dispatcher?.Invoke(() => action(this))
            );
        }

        #endregion

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

        #region 생성하기 - Create(action)

        /// <summary>
        /// 생성하기
        /// </summary>
        /// <param name="action">액션</param>
        /// <returns>지연 실행 액션</returns>
        public static DeferredAction Create(Action<DeferredAction> action)
        {
            if(action == null)
            {
                throw new ArgumentNullException(nameof(action));
            }

            return new DeferredAction(action);
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 지연 실행하기 - Defer(deferTime)

        /// <summary>
        /// 지연 실행하기
        /// </summary>
        /// <param name="deferTime">지연 시간</param>
        public void Defer(TimeSpan deferTime)
        {
            this.timer.Change(deferTime, Timeout.InfiniteTimeSpan);
        }

        #endregion
        #region 리소스 해제하기 - Dispose()

        /// <summary>
        /// 리소스 해제하기
        /// </summary>
        public void Dispose()
        {
            if(this.isDisposed)
            {
                return;
            }

            this.isDisposed = true;

            this.timer.Dispose();
        }

        #endregion
    }
}

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using System;

using System.Threading;

using System.Windows;

namespace TestProject

{

/// <summary>

/// 지연 실행 액션

/// </summary>

public sealed class DeferredAction : IDisposable

{

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

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

#region Field

/// <summary>

/// 타이머

/// </summary>

private readonly Timer timer;

/// <summary>

/// 리소스 해제 여부

/// </summary>

private bool isDisposed;

#endregion

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

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

#region 생성자 - DeferredAction(action)

/// <summary>

/// 생성자

/// </summary>

/// <param name="action">액션</param>

private DeferredAction(Action<DeferredAction> action)

{

this.timer = new Timer

(

state => Application.Current?.Dispatcher?.Invoke(() => action(this))

);

}

#endregion

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

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

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

#region 생성하기 - Create(action)

/// <summary>

/// 생성하기

/// </summary>

/// <param name="action">액션</param>

/// <returns>지연 실행 액션</returns>

public static DeferredAction Create(Action<DeferredAction> action)

{

if(action == null)

{

throw new ArgumentNullException(nameof(action));

}

return new DeferredAction(action);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

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

#region 지연 실행하기 - Defer(deferTime)

/// <summary>

/// 지연 실행하기

/// </summary>

/// <param name="deferTime">지연 시간</param>

public void Defer(TimeSpan deferTime)

{

this.timer.Change(deferTime, Timeout.InfiniteTimeSpan);

}

#endregion

#region 리소스 해제하기 - Dispose()

/// <summary>

/// 리소스 해제하기

/// </summary>

public void Dispose()

{

if(this.isDisposed)

{

return;

}

this.isDisposed = true;

this.timer.Dispose();

}

#endregion

}

▶ MainWindow.xaml


<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="800"
    Height="600"
    Title="지연 실행 액션 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <StackPanel
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Button Name="button"
                HorizontalAlignment="Center"
                Margin="10"
                Width="100"
                Height="30"
                Content="테스트" />
            <ListBox Name="listBox"
                HorizontalAlignment="Center"
                Margin="10"
                Width="300"
                Height="300" />
        </StackPanel>
    </Grid>
</Window>

<Window x:Class="TestProject.MainWindow"

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

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

Width="800"

Height="600"

Title="지연 실행 액션 사용하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid>

<StackPanel

HorizontalAlignment="Center"

VerticalAlignment="Center">

<Button Name="button"

HorizontalAlignment="Center"

Margin="10"

Width="100"

Height="30"

Content="테스트" />

<ListBox Name="listBox"

HorizontalAlignment="Center"

Margin="10"

Width="300"

Height="300" />

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Windows;

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

        #region 생성자 - MainWindow()

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

            this.button.Click += button_Click;
        }

        #endregion

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

        #region 버튼 클릭시 처리하기 - button_Click(sender, e)

        /// <summary>
        /// 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void button_Click(object sender, RoutedEventArgs e)
        {
            this.listBox.Items.Add($"[{DateTime.Now.ToString("HH:mm:ss")}] 버튼을 클릭했습니다.");

            DeferredAction deferredAction = DeferredAction.Create
            (
                context =>
                {
                    this.listBox.Items.Add($"[{DateTime.Now.ToString("HH:mm:ss")}] 작업을 실행했습니다.");

                    context.Dispose();
                }
            );

            deferredAction.Defer(TimeSpan.FromSeconds(3));
        }

        #endregion
    }
}

using System;

using System.Windows;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

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

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

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.button.Click += button_Click;

}

#endregion

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

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

#region 버튼 클릭시 처리하기 - button_Click(sender, e)

/// <summary>

/// 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void button_Click(object sender, RoutedEventArgs e)

{

this.listBox.Items.Add($"[{DateTime.Now.ToString("HH:mm:ss")}] 버튼을 클릭했습니다.");

DeferredAction deferredAction = DeferredAction.Create

(

context =>

{

this.listBox.Items.Add($"[{DateTime.Now.ToString("HH:mm:ss")}] 작업을 실행했습니다.");

context.Dispose();

}

);

deferredAction.Defer(TimeSpan.FromSeconds(3));

}

#endregion

}

TestProject.zip

[C#/WPF/PRISM] InvokeCommandAction 클래스 : 이벤트에 반응해 명령 호출하기

■ InvokeCommandAction 클래스를 사용해 이벤트에 반응해 명령을 호출하는 방법을 보여준다. ▶ MainWindow.xaml


<Window x:Class="TestProject.Views.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
    xmlns:prism="http://prismlibrary.com/"
    prism:ViewModelLocator.AutoWireViewModel="True"
    Width="800"
    Height="600"
    Title="{Binding Title}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*"    />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <StackPanel Grid.Row="0">
            <TextBlock
                Margin="5"
                FontSize="24"
                Foreground="DarkRed"
                TextWrapping="Wrap"
                Text="InvokeCommandAction" />
            <TextBlock
                Margin="5"
                TextWrapping="Wrap">
                The <Bold>InvokeCommandAction</Bold> is useful when you need to invoke a command
                in response to an event raised by a control in the view.
            </TextBlock>
            <TextBlock
                Margin="5"
                TextWrapping="Wrap">
                In the following example there is a list of items and we want to execute a command
                in the view model when an item is selected.
                The view model will then change the "Selected Item" shown below.
            </TextBlock>
        </StackPanel>
        <ListBox Grid.Row="1"
            Margin="5"
            SelectionMode="Single"
            ItemsSource="{Binding Items}">
            <i:Interaction.Triggers>
                <i:EventTrigger EventName="SelectionChanged">
                    <prism:InvokeCommandAction
                        Command="{Binding SelectCommand}"
                        TriggerParameterPath="AddedItems" />
                </i:EventTrigger>
            </i:Interaction.Triggers>
        </ListBox>
        <StackPanel Grid.Row="2"
            Margin="5"
            Orientation="Horizontal">
            <TextBlock
                Foreground="DarkRed"
                FontWeight="Bold"
                Text="Selected Item" />
            <TextBlock
                Margin="5, 0"
                AutomationProperties.AutomationId="SelectedItemTextBlock"
                Foreground="DarkRed"
                FontWeight="Bold"
                Text="{Binding SelectedItemText}" />
        </StackPanel>
    </Grid>
</Window>

<Window x:Class="TestProject.Views.MainWindow"

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

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

xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"

xmlns:prism="http://prismlibrary.com/"

prism:ViewModelLocator.AutoWireViewModel="True"

Width="800"

Height="600"

Title="{Binding Title}"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid>

<Grid.RowDefinitions>

</Grid.RowDefinitions>

<TextBlock

Margin="5"

FontSize="24"

Foreground="DarkRed"

TextWrapping="Wrap"

Text="InvokeCommandAction" />

<TextBlock

Margin="5"

TextWrapping="Wrap">

The <Bold>InvokeCommandAction</Bold> is useful when you need to invoke a command

in response to an event raised by a control in the view.

</TextBlock>

<TextBlock

Margin="5"

TextWrapping="Wrap">

In the following example there is a list of items and we want to execute a command

in the view model when an item is selected.

The view model will then change the "Selected Item" shown below.

</TextBlock>

</StackPanel>

<ListBox Grid.Row="1"

Margin="5"

SelectionMode="Single"

ItemsSource="{Binding Items}">

<i:Interaction.Triggers>

<i:EventTrigger EventName="SelectionChanged">

<prism:InvokeCommandAction

Command="{Binding SelectCommand}"

TriggerParameterPath="AddedItems" />

</i:EventTrigger>

</i:Interaction.Triggers>

</ListBox>

<StackPanel Grid.Row="2"

Margin="5"

Orientation="Horizontal">

<TextBlock

Foreground="DarkRed"

FontWeight="Bold"

Text="Selected Item" />

<TextBlock

Margin="5, 0"

AutomationProperties.AutomationId="SelectedItemTextBlock"

Foreground="DarkRed"

FontWeight="Bold"

Text="{Binding SelectedItemText}" />

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System.Windows;

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

        #region 생성자 - MainWindow()

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

        #endregion
    }
}

using System.Windows;

namespace TestProject.Views

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

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

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

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

}

#endregion

}

▶ MainWindowViewModel.cs


using System.Collections.Generic;
using System.Linq;

using Prism.Commands;
using Prism.Mvvm;

namespace TestProject.ViewModels
{
    /// <summary>
    /// 메인 윈도우 뷰
    /// </summary>
    public class MainWindowViewModel : BindableBase
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 제목
        /// </summary>
        private string title = "InvokeCommandAction 클래스 : 이벤트에 반응해 명령 호출하기";

        /// <summary>
        /// 선택 항목 텍스트
        /// </summary>
        private string selectedItemText;

        #endregion

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

        #region 제목 - Title

        /// <summary>
        /// 제목
        /// </summary>
        public string Title
        {
            get
            {
                return this.title;
            }
            set
            {
                SetProperty(ref this.title, value);
            }
        }

        #endregion
        #region 선택 항목 텍스트 - SelectedItemText

        /// <summary>
        /// 선택 항목 텍스트
        /// </summary>
        public string SelectedItemText
        {
            get
            {
                return this.selectedItemText;
            }
            private set
            {
                SetProperty(ref this.selectedItemText, value);
            }
        }

        #endregion
        #region 항목 리스트 - Items

        /// <summary>
        /// 항목 리스트
        /// </summary>
        public IList<string> Items { get; private set; }

        #endregion
        #region 선택 명령 - SelectCommand

        /// <summary>
        /// 선택 명령
        /// </summary>
        public DelegateCommand<object[]> SelectCommand { get; private set; }

        #endregion

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

        #region 생성자 - MainWindowViewModel()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindowViewModel()
        {
            Items = new List<string>();

            Items.Add("Item1");
            Items.Add("Item2");
            Items.Add("Item3");
            Items.Add("Item4");
            Items.Add("Item5");

            SelectCommand = new DelegateCommand<object[]>(Select);
        }

        #endregion

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

        #region 선택하기 - Select(selectedItemArray)

        /// <summary>
        /// 선택하기
        /// </summary>
        /// <param name="selectedItemArray">선택 항목 배열</param>
        private void Select(object[] selectedItemArray)
        {
            if(selectedItemArray != null && selectedItemArray.Count() > 0)
            {
                SelectedItemText = selectedItemArray.FirstOrDefault().ToString();
            }
        }

        #endregion
    }
}

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using System.Collections.Generic;

using System.Linq;

using Prism.Commands;

using Prism.Mvvm;

namespace TestProject.ViewModels

{

/// <summary>

/// 메인 윈도우 뷰

/// </summary>

public class MainWindowViewModel : BindableBase

{

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

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

#region Field

/// <summary>

/// 제목

/// </summary>

private string title = "InvokeCommandAction 클래스 : 이벤트에 반응해 명령 호출하기";

/// <summary>

/// 선택 항목 텍스트

/// </summary>

private string selectedItemText;

#endregion

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

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

#region 제목 - Title

/// <summary>

/// 제목

/// </summary>

public string Title

{

get

{

return this.title;

}

set

{

SetProperty(ref this.title, value);

}

#endregion

#region 선택 항목 텍스트 - SelectedItemText

/// <summary>

/// 선택 항목 텍스트

/// </summary>

public string SelectedItemText

{

get

{

return this.selectedItemText;

}

private set

{

SetProperty(ref this.selectedItemText, value);

}

#endregion

#region 항목 리스트 - Items

/// <summary>

/// 항목 리스트

/// </summary>

public IList<string> Items { get; private set; }

#endregion

#region 선택 명령 - SelectCommand

/// <summary>

/// 선택 명령

/// </summary>

public DelegateCommand<object[]> SelectCommand { get; private set; }

#endregion

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

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

#region 생성자 - MainWindowViewModel()

/// <summary>

/// 생성자

/// </summary>

public MainWindowViewModel()

{

Items = new List<string>();

Items.Add("Item1");

Items.Add("Item2");

Items.Add("Item3");

Items.Add("Item4");

Items.Add("Item5");

SelectCommand = new DelegateCommand<object[]>(Select);

}

#endregion

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

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

#region 선택하기 - Select(selectedItemArray)

/// <summary>

/// 선택하기

/// </summary>

/// <param name="selectedItemArray">선택 항목 배열</param>

private void Select(object[] selectedItemArray)

{

if(selectedItemArray != null && selectedItemArray.Count() > 0)

{

SelectedItemText = selectedItemArray.FirstOrDefault().ToString();

}

#endregion

}

▶ MainApplication.xaml


<prism:PrismApplication x:Class="TestProject.MainApplication"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:prism="http://prismlibrary.com/">
</prism:PrismApplication>

<prism:PrismApplication x:Class="TestProject.MainApplication"

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

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

xmlns:prism="http://prismlibrary.com/">

</prism:PrismApplication>