Communication 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.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
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;
using System.Text;
namespace SilverlightApplication3
{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }
        private void myButton_Click(object sender, RoutedEventArgs e)
        {
            RequestStreamContent();
        }
        public void RequestStreamContent()
        {
            Uri uri = new Uri("http://silverlightinaction.com/video3.wmv");        
            WebClient webClient = new WebClient();                        
            webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient.OpenReadAsync(uri);                                    
        }
        void webClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
        {
            StringBuilder sb = new StringBuilder();            
            sb.Append(e.BytesReceived + " of ");                                    
            sb.Append(e.TotalBytesToReceive + " bytes received");                  
            myTextBlock.Text = sb.ToString();
        }
    }
}