Silverlight事件之路由事件（一）

Silverlight事件之路由事件

<Grid x:Name="LayoutRoot" Background="White">
        <Canvas x:Name="parentCanvas" Background="AliceBlue" MouseLeftButtonDown="parentCanvas_MouseLeftButtonDown">
            <Rectangle x:Name="rect" Canvas.Top="50" Canvas.Left="120" Fill="Gold" Stroke="Black" StrokeThickness="3" Width="400" Height=" 160" MouseLeftButtonDown="rect_MouseLeftButtonDown"/>
            <TextBlock x:Name="tbkRect" Canvas.Top="100" Canvas.Left="240" FontSize="30" Text="路由事件" Foreground="Black"/>
            <TextBlock x:Name="tbkTip" Canvas.Top="220" Canvas.Left="200" FontSize="30"/>
         </Canvas>
</Grid>

    private void parentCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            Point pnt = e.GetPosition(null);
            tbkTip.Text = string.Format("X:{0},Y:{1}",pnt.X.ToString(),pnt.Y.ToString());
        }
     private void rect_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            e.Handled = true;//添加这一行代码就不会产生路由事件，Handled的默认值为false，即会产生路由事件，所以要想产生路由事件就把改行代码注释掉，或设置为false
            tbkRect.Text = "引发路由事件";
        }