protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
{
if (!DesignerProperties.GetIsInDesignMode(this) && _graphicsDeviceService != null)
{
_imageSource.Dispose();
_imageSource = new XnaImageSource(GraphicsDevice, (int)ActualWidth, (int)ActualHeight);
RootImage.Source = _imageSource.WriteableBitmap;
}
base.OnRenderSizeChanged(sizeInfo);
}
private void InitializeGraphicsDevice()
{
if (_graphicsDeviceService != null)
{
return;
}
// Adiciona refefência do graphics device
_graphicsDeviceService = GraphicsDeviceService.AddRef((PresentationSource.FromVisual(this) as HwndSource).Handle);
// cria um image source
_imageSource = new XnaImageSource(GraphicsDevice, (int)ActualWidth, (int)ActualHeight);
RootImage.Source = _imageSource.WriteableBitmap;
_services.AddService(typeof(IGraphicsDeviceService), _graphicsDeviceService);
_totalTime = new TimeSpan(DateTime.Now.Ticks);
_elapsedTime = new TimeSpan(DateTime.Now.Ticks);
CompositionTarget.Rendering += CompositionTarget_Rendering;
}
