[C#/WPF] DependencyPropertyHelper 클래스 : GetValueSource 정적 메소드를 사용해 의존 속성 값 소스 구하기

■ DependencyPropertyHelper 클래스의 GetValueSource 정적 메소드를 사용해 의존 속성 값 소스를 구하는 방법을 보여준다.

▶ 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="DependencyPropertyHelper 클래스 : GetValueSource 정적 메소드를 사용해 의존 속성 값 소스 구하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Window.Resources>
        <Style x:Key="ButtonStyleKey" TargetType="{x:Type Button}">
            <Setter Property="Foreground" Value="Green" />
            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter Property="Foreground" Value="Red" />
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <StackPanel
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Button Name="testButton"
                Style="{StaticResource ButtonStyleKey}"
                Width="100"
                Height="25"
                Content="Test" />
            <Button Name="displaySourceButton"
                Margin="0 10 0 0"
                Width="150"
                Height="25"
                Content="Display Source" />
        </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="DependencyPropertyHelper 클래스 : GetValueSource 정적 메소드를 사용해 의존 속성 값 소스 구하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Window.Resources>

<Style.Triggers>

</Trigger>

</Style.Triggers>

</Style>

</Window.Resources>

<Grid>

<StackPanel

HorizontalAlignment="Center"

VerticalAlignment="Center">

<Button Name="testButton"

Style="{StaticResource ButtonStyleKey}"

Width="100"

Height="25"

Content="Test" />

<Button Name="displaySourceButton"

Margin="0 10 0 0"

Width="150"

Height="25"

Content="Display Source" />

</StackPanel>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System.Windows;
using System.Windows.Controls;

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

        #region 생성자 - MainWindow()

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

            this.displaySourceButton.Click += displaySourceButton_Click;
        }

        #endregion

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

        #region Display Source 버튼 클릭시 처리하기 - displaySourceButton_Click(sender, e)

        /// <summary>
        /// Display Source 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void displaySourceButton_Click(object sender, RoutedEventArgs e)
        {
            ValueSource visualSource = DependencyPropertyHelper.GetValueSource
            (
                this.testButton as DependencyObject,
                Button.ForegroundProperty
            );

            MessageBox.Show($"Foreground 속성 소스 : {visualSource.BaseValueSource}");
        }

        #endregion
    }
}

using System.Windows;

using System.Windows.Controls;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

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

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

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.displaySourceButton.Click += displaySourceButton_Click;

}

#endregion

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

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

#region Display Source 버튼 클릭시 처리하기 - displaySourceButton_Click(sender, e)

/// <summary>

/// Display Source 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void displaySourceButton_Click(object sender, RoutedEventArgs e)

{

ValueSource visualSource = DependencyPropertyHelper.GetValueSource

(

this.testButton as DependencyObject,

Button.ForegroundProperty

);

MessageBox.Show($"Foreground 속성 소스 : {visualSource.BaseValueSource}");

}

#endregion

}

TestProject.zip