private void CreateAndShowContent()
{
Dispatcher = Dispatcher.CurrentDispatcher;
VisualTargetPresentationSource source =
new VisualTargetPresentationSource(_hostVisual);
_sync.Set();
source.RootVisual = _createContent();
DesiredSize = source.DesiredSize;
_invalidateMeasure();
Dispatcher.Run();
source.Dispose();
}
private void MediaWorkerThread(object arg)
{
HostVisual hostVisual = (HostVisual)arg;
var visualTargetPS = new VisualTargetPresentationSource(hostVisual);
_threadReadyEvent.Set();
// Create a MediaElement and use it as the root visual for the
// VisualTarget.
visualTargetPS.RootVisual = CreateUIElement();
// Run a dispatcher for this worker thread. This is the central
// processing loop for WPF.
System.Windows.Threading.Dispatcher.Run();
}
