Use EventSetter to add mouse event handler : EventSetter « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. EventSetter

<Window x:Class="Styles.EventSetter"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="EventSetter" Height="300" Width="300">
  <Window.Resources>
    <Style x:Key="MouseOverHighlightStyle">
      <Setter Property="TextBlock.Padding" Value="5"/>
      <EventSetter Event="FrameworkElement.MouseEnter" Handler="element_MouseEnter" />
      <EventSetter Event="FrameworkElement.MouseLeave" Handler="element_MouseLeave" />
    </Style>
  </Window.Resources>
  
  <StackPanel>
    <TextBlock Style="{StaticResource MouseOverHighlightStyle}">Hover over me.</TextBlock>
    <TextBlock Padding="5">asdf</TextBlock>
    <TextBlock Style="{StaticResource MouseOverHighlightStyle}">Hover over me.</TextBlock>
  </StackPanel>
</Window>
//File:Window.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace Styles
{
    public partial class EventSetter : System.Windows.Window
    {
        public EventSetter()
        {
            InitializeComponent();
        }
        private void element_MouseEnter(object sender, MouseEventArgs e)
        {
            ((TextBlock)sender).Background = new SolidColorBrush(Colors.LightGoldenrodYellow);
        }
        private void element_MouseLeave(object sender, MouseEventArgs e)
        {
            ((TextBlock)sender).Background = null;
        }
    }
}

24.120.EventSetter
	24.120.1.	Use EventSetter to add mouse event handler