36 lines
993 B
C#
36 lines
993 B
C#
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using System.Windows;
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using System.Windows.Input;
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namespace WPF路由事件_3_冒泡路由事件;
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow
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{
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private int _eventCount;
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public MainWindow()
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{
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InitializeComponent();
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// 如果最后一个参数设置为 true即使让 e.Handled 为true也还是会接受到
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CmdClear.AddHandler(MouseUpEvent, new MouseButtonEventHandler(CmdClear_OnClick), true);
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}
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private void MainWindow_OnMouseUp(object sender, MouseButtonEventArgs e)
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{
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_eventCount++;
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var message = $"#{_eventCount}:\r\nSender:{sender}\r\nSource:{e.Source}\r\nOriginal Source:{e.OriginalSource}";
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ListBoxMessage.Items.Add(message);
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// 阻止事件冒泡
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e.Handled = (bool)CheckBoxHandle.IsChecked!;
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}
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private void CmdClear_OnClick(object sender, RoutedEventArgs e)
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{
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ListBoxMessage.Items.Clear();
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}
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}
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