Event bubbling : Event « Events « Silverlight

1. Silverlight
2. Events
3. Event

Event bubbling

    

<UserControl x:Class='SilverlightApplication3.MainPage'
    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
  <StackPanel MouseLeftButtonDown="SomethingClicked">
    <Button Margin="5" MouseLeftButtonDown="SomethingClicked">
      <StackPanel MouseLeftButtonDown="SomethingClicked">
        <TextBlock MouseLeftButtonDown="SomethingClicked" HorizontalAlignment="Center" Text="Image and text label"></TextBlock>
        <Image Source="c:/image.jpg" Stretch="None" MouseLeftButtonDown="SomethingClicked" />
        <TextBlock HorizontalAlignment="Center" MouseLeftButtonDown="SomethingClicked" Text="Courtesy of the StackPanel"></TextBlock>
      </StackPanel>
    </Button>
    <ListBox  x:Name="lstMessages"></ListBox>
    <Button   x:Name="cmdClear" Click="cmdClear_Click" Content="Clear List"></Button>
  </StackPanel>
</UserControl>

//File: Page.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace SilverlightApplication3
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }

        protected int eventCounter = 0;

        private void SomethingClicked(object sender, MouseButtonEventArgs e)
        {
            eventCounter++;
            string message = eventCounter.ToString() + ":\r\n" + " Sender: " + sender.ToString() + "\r\n" +
            " Handled: " + e.Handled + "\r\n";         
            lstMessages.Items.Add(message);
        }

        private void cmdClear_Click(object sender, RoutedEventArgs e)
        {
            lstMessages.Items.Clear();
            eventCounter = 0;
        }
    }
}

   
    
    
    
  

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6.	A sample UnhandledException event handler