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Categories / Silverlight / Communication

 

Using a WebClient to Download Resources on Demand

<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">         <ScrollViewer HorizontalScrollBarVisibility="Auto">              <TextBlock x:Name="downloadText"/>         </ScrollViewer>         <Button x:Name="downloadBtn" Content="Download Dynamic Content"/>     </Grid> </UserControl> //File:Page.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Net; namespace SilverlightApplication3 {     public partial class MainPage : UserControl{         public MainPage(){             InitializeComponent();             downloadBtn.Click += new RoutedEventHandler(doGetContent);          }         void doGetContent(object sender, RoutedEventArgs e){             string filename = "readme.txt";             WebClient client = new WebClient();             client.DownloadStringCompleted += new DownloadStringCompletedEventHandler(doDownloadCompleted);             client.DownloadStringAsync(new Uri(filename, UriKind.Relative));          }         void doDownloadCompleted(object sender,                                  DownloadStringCompletedEventArgs e)          {             downloadText.Text = e.Result;          }      } }