[C#/WPF] UIElement 클래스 : AddHandler 메소드를 사용해 이벤트 핸들러 추가하기

■ UIElement 클래스의 AddHandler 메소드를 사용해 이벤트 핸들러를 추가하는 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="UIElement 클래스 : AddHandler 메소드를 사용해 이벤트 핸들러 추가하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Window.Resources>
        <Style TargetType="{x:Type Button}">
            <Setter Property="Margin"          Value="5" />
            <Setter Property="BorderThickness" Value="3" />
        </Style>
    </Window.Resources>
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
            <RowDefinition Height="*" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <Button Name="A" Grid.Row="0" Grid.Column="0" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="B" Grid.Row="0" Grid.Column="1" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="C" Grid.Row="0" Grid.Column="2" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="D" Grid.Row="1" Grid.Column="0" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="E" Grid.Row="1" Grid.Column="1" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="F" Grid.Row="1" Grid.Column="2" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="G" Grid.Row="2" Grid.Column="0" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="H" Grid.Row="2" Grid.Column="1" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
        <Button Name="I" Grid.Row="2" Grid.Column="2" Content="{Binding RelativeSource={RelativeSource self}, Path=Name}" />
    </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="UIElement 클래스 : AddHandler 메소드를 사용해 이벤트 핸들러 추가하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Window.Resources>

</Style>

</Window.Resources>

<Grid>

<Grid.ColumnDefinitions>

</Grid.ColumnDefinitions>

<Grid.RowDefinitions>

</Grid.RowDefinitions>

</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();

            AddHandler(Button.ClickEvent, new RoutedEventHandler(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)
        {
            MessageBox.Show($"{(e.Source as Button).Content} 버튼을 클릭했습니다.");
        }

        #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();

AddHandler(Button.ClickEvent, new RoutedEventHandler(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)

{

MessageBox.Show($"{(e.Source as Button).Content} 버튼을 클릭했습니다.");

}

#endregion

}

TestProject.zip