Mega Code Archive
Use Cancel button triggers the cancellation
<![CDATA[
<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'>
<Grid x:Name="LayoutRoot" Background="White">
<StackPanel Orientation="Vertical">
<Button x:Name="myButton" Content="Request Content" Height="30" Width="120" Click="myButton_Click" />
<TextBlock x:Name="myTextBlock" />
</StackPanel>
</Grid>
</UserControl>
//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();
}
}
}
]]>