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Video Brush in WPF

Posted by Mahesh Chand Articles | WPF February 20, 2010
This article demonstrates how to implement video brushes in WPF using MediaElement XAML element.
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Video Brush

A video brush is a brush similar to any other brush. Instead of painting an area with a color, a video brush paints an area with a video. The video contents are provided by a MediaElement. We can use a visualBrush to play a media by setting a MediaElement as its Visual attribute.

The following code snippet creates a MediaElement. The Source property of the MediaElement is the name of the video file.

  <MediaElement Source="Lake.wmv"                              Name="McMediaElement" Width="450" Height="250" LoadedBehavior="Manual" UnloadedBehavior="Stop" Stretch="Fill />

The code snippet in Listing 27 creates a VisualBrush and sets its Visual attribute to a MediaElement.

<VisualBrush >
      <VisualBrush.Visual >
<MediaElement Source="Lake.wmv"                              Name="McMediaElement" Width="450" Height="250" LoadedBehavior="Manual" UnloadedBehavior="Stop" Stretch="Fill />
      </VisualBrush.Visual >
</VisualBrush >

Listing 27

The code snippet in Listing 28 creates a MediaElement and sets it as the Visual property of a VisualBrush.

MediaElement McMediaElement = new MediaElement();
McMediaElement.Source = new Uri("Lake.wmv", UriKind.Relative);
McMediaElement.IsMuted = false;
 
VisualBrush videoBrush = new VisualBrush ();
videoBrush.Visual = McMediaElement; 

Listing 28

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