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Using the MarkerReached event to show a caption on a MediaElement

<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">         <Canvas x:Name="myCanvas">             <MediaElement x:Name="myMediaElement"                  Source="http://server.com/video3.wmv"                  MarkerReached="myMediaElement_MarkerReached" />              <TextBlock x:Name="myTextBlock" Canvas.Top="330"                  Foreground="White" FontSize="20" FontWeight="Bold"  />         </Canvas>     </Grid> </UserControl> //File: Page.xaml.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; namespace SilverlightApplication3 {     public partial class MainPage : UserControl     {         public MainPage()         {             InitializeComponent();         }         private void myMediaElement_MarkerReached(object sender, TimelineMarkerRoutedEventArgs e)         {               myTextBlock.Text = e.Marker.Text;                                               }     } }