UI Controls Silverlight

    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'>
  
        
    
    
    
  


//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();
        }
        private void txt_KeyUp(object sender, KeyEventArgs e)
        {
            string message = "KeyUp " + " Key: " + e.Key;
            lstMessages.Items.Add(message);
        }
        private void txt_KeyDown(object sender, KeyEventArgs e)
        {           
            string message = "KeyDown " + " Key: " + e.Key;
            lstMessages.Items.Add(message);
        }
        private void txt_TextChanged(object sender, TextChangedEventArgs e)
        {
            string message = "TextChanged";
            lstMessages.Items.Add(message);
        }
        private void cmdClear_Click(object sender, RoutedEventArgs e)
        {
            lstMessages.Items.Clear();
        }
    }
}