[IronPython] VideoBrush with IronPython and Silverlight

[Michael Foord]

Ha! Worked it out myself. Adding the MediaElement to the Canvas makes it 
visible... :-)

Sorry for the noise...

Michael Foord
http://www.ironpythoninaction.com/

Michael Foord wrote:
> Hello all,
>
> I've been experimenting with using the VideoBrush from IronPython and 
> Silverlight. It works fine from XAML, but the following code shows 
> nothing:
>
>
> from System.Windows import Application
> from System.Windows.Controls import Canvas
>
> #canv = Canvas()
> #Application.Current.LoadRootVisual(canv, "app.xaml")
>
> from System.Windows.Controls import TextBlock, MediaElement
> from System import Uri, UriKind
> from System.Windows.Media import VideoBrush, Stretch
>
> root = Canvas()
> video = MediaElement() source = Uri('../SomeVideo.wmv', UriKind.Relative)
> video.Source = source
> video.Opacity = 0.0
>
> brush = VideoBrush()
> brush.Stretch = Stretch.UniformToFill
> brush.SetSource(video)
>
> t = TextBlock()
> t.Text = 'Video'
> t.FontSize = 120
> t.Foreground = brush
>
> root.Children.Add(t)
>
> Application.Current.RootVisual = root
>
>
> The XAML that works is:
>
> <Canvas x:Class="System.Windows.Controls.Canvas"
>    xmlns="http://schemas.microsoft.com/client/2007"
>    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
>
>    <MediaElement
>      x:Name="videoMediaElement"
>      Source="../SomeVideo.wmv" IsMuted="True"
>      Opacity="0.0" IsHitTestVisible="False" />
>        <TextBlock Canvas.Left="5" Canvas.Top="30"      
> FontFamily="Verdana" FontSize="120"
>      FontWeight="Bold" TextWrapping="Wrap"
>      Text="Video">
>            <!-- Paint the text with video. -->
>        <TextBlock.Foreground>
>          <VideoBrush SourceName="videoMediaElement" 
> Stretch="UniformToFill" />
>        </TextBlock.Foreground>
>    </TextBlock>
>
> </Canvas>
>
> Can anyone see what I'm doing wrong? (Or is this another beta bug.)
>
> Thanks
>
> Michael Foord
> http://www.ironpythoninaction.com/
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