WPF的路由事件、冒泡事件、隧道事件（预览事件）

       Border Height="50" Width="250" BorderBrush="Gray" BorderThickness="1" >
            StackPanel Background="LightGray" Orientation="Horizontal" MouseUp="StackPanel_MouseUp">
                TextBlock Name="YesTB" Width="50"  MouseUp="YesTB_MouseUp" Background="Blue" >YesTextBlock>
            StackPanel>
        Border>

        private void StackPanel_MouseUp(object sender, MouseButtonEventArgs e)
        {
            MessageBox.Show("Panel");
        }

        private void YesTB_MouseUp(object sender, MouseButtonEventArgs e)
        {
            MessageBox.Show("button");
            e.Handled = true;
        }

public class MyButtonSimple: Button
{
    // Create a custom routed event by first registering a RoutedEventID
    // This event uses the bubbling routing strategy
    public static readonly RoutedEvent TapEvent = EventManager.RegisterRoutedEvent(
        "Tap", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(MyButtonSimple));

    // Provide CLR accessors for the event
    public event RoutedEventHandler Tap
    {
            add { AddHandler(TapEvent, value); } 
            remove { RemoveHandler(TapEvent, value); }
    }

    // This method raises the Tap event
    void RaiseTapEvent()
    {
            RoutedEventArgs newEventArgs = new RoutedEventArgs(MyButtonSimple.TapEvent);
            RaiseEvent(newEventArgs);
    }
    // For demonstration purposes we raise the event when the MyButtonSimple is clicked
    protected override void OnClick()
    {
        RaiseTapEvent();
    }

}

Window  
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:custom="clr-namespace:SDKSample;assembly=SDKSampleLibrary"
    x:Class="SDKSample.RoutedEventCustomApp"

    >
    Window.Resources>
      Style TargetType="{x:Type custom:MyButtonSimple}">
        Setter Property="Height" Value="20"/>
        Setter Property="Width" Value="250"/>
        Setter Property="HorizontalAlignment" Value="Left"/>
        Setter Property="Background" Value="#808080"/>
      Style>
    Window.Resources>
    StackPanel Background="LightGray">
        custom:MyButtonSimple Name="mybtnsimple" Tap="TapHandler">Click to see Tap custom event workcustom:MyButtonSimple>
    StackPanel>
Window>