Five Minute Silverlight 4 Aides-Memoire #3 – WebCam/Microphone Device Support

<UserControl.Resources>
    <Style x:Key="ListBoxStyle" TargetType="ListBox">
        <Setter Property="ItemTemplate">
            <Setter.Value>
                <DataTemplate>
                    <Image Margin="5" Source="{Binding}" Stretch="UniformToFill" Height="80" VerticalAlignment="Center"/>
                </DataTemplate>
            </Setter.Value>
        </Setter>
        <Setter Property="ItemsPanel">
            <Setter.Value>
                <ItemsPanelTemplate>
                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                </ItemsPanelTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</UserControl.Resources>

<StackPanel Grid.Row="2" Grid.Column="0">
    <Button Content="Start WebCam" Click="StartWebCam_Click" Height="30" />
    <Button Content="Snapshot" Click="Snapshot_Click" Height="30" />
</StackPanel>
<Rectangle Grid.Row="0" Stretch="Fill" Grid.Column="1" x:Name="CapturedImage" />
<ListBox Grid.Row="1" Margin="10" Grid.RowSpan="2" Grid.Column="1" x:Name="Snapshots" Style="{StaticResource ListBoxStyle}"/>

private void StartWebCam_Click(object sender, RoutedEventArgs e)
{
    if (!CaptureDeviceConfiguration.AllowedDeviceAccess & !CaptureDeviceConfiguration.RequestDeviceAccess())
        return;

    VideoBrush videoBrush = new VideoBrush();
    videoBrush.SetSource(captureSource);
    CapturedImage.Fill = videoBrush;
    this.Snapshots.ItemsSource = snaps;
    captureSource.Start();
}

private void Snapshot_Click(object sender, RoutedEventArgs e)
{
    captureSource.AsyncCaptureImage((image) => { snaps.Add(image); });
}