void XnaWindowHost_Loaded(object sender, RoutedEventArgs e)
{
// If we don't yet have a GraphicsDeviceService reference, we must add one for this control
if (graphicsService == null)
{
graphicsService = GraphicsDeviceService.AddRef(hWnd, (int)ActualWidth, (int)ActualHeight);
// Invoke the LoadContent event
if (LoadContent != null)
{
LoadContent(this, new GraphicsDeviceEventArgs(graphicsService.GraphicsDevice));
}
}
}
protected override void Dispose(bool disposing)
{
// Release our reference to the GraphicsDeviceService if we have one
if (graphicsService != null)
{
graphicsService.Release(disposing);
graphicsService = null;
}
if (timer != null)
{
timer.Stop();
timer.Tick -= timer_Tick;
timer = null;
}
// Unhook the Rendering event so we no longer attempt to draw
CompositionTarget.Rendering -= CompositionTarget_Rendering;
base.Dispose(disposing);
}