protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
{
// if we're not in design mode, recreate the image source for the new size
if (DesignerProperties.GetIsInDesignMode(this) == false && graphicsService != null)
{
// recreate the image source
imageSource.Dispose();
imageSource = new RenderTargetImageSource(GraphicsDevice, (int)ActualWidth, (int)ActualHeight);
rootImage.Source = imageSource.WriteableBitmap;
}
base.OnRenderSizeChanged(sizeInfo);
}
void UserControl_Loaded(object sender, RoutedEventArgs e)
{
// if we're not in design mode, initialize the graphics device
if (DesignerProperties.GetIsInDesignMode(this) == false && graphicsService == null)
{
// add a reference to the graphics device
graphicsService = GraphicsDeviceService.AddRef((PresentationSource.FromVisual(this) as HwndSource).Handle);
// create the image source
imageSource = new RenderTargetImageSource(GraphicsDevice, (int)ActualWidth, (int)ActualHeight);
rootImage.Source = imageSource.WriteableBitmap;
// hook the rendering event
CompositionTarget.Rendering += CompositionTarget_Rendering;
// Invoke the ControlLoaded event
if (ControlLoaded != null)
{
ControlLoaded(this, new GraphicsDeviceEventArgs(graphicsService.GraphicsDevice));
}
}
}
void UserControl_Loaded(object sender, RoutedEventArgs e)
{
// if we're not in design mode, initialize the graphics device
if (DesignerProperties.GetIsInDesignMode(this) == false && graphicsService == null)
{
// add a reference to the graphics device
graphicsService = GraphicsDeviceService.AddRef((PresentationSource.FromVisual(this) as HwndSource).Handle);
// create the image source
imageSource = new RenderTargetImageSource(GraphicsDevice, (int)ActualWidth, (int)ActualHeight);
rootImage.Source = imageSource.WriteableBitmap;
// hook the rendering event
CompositionTarget.Rendering += CompositionTarget_Rendering;
// Invoke the ControlLoaded event
if (ControlLoaded != null)
ControlLoaded(this, new GraphicsDeviceEventArgs(graphicsService.GraphicsDevice));
}
}
protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
{
// if we're not in design mode, recreate the image source for the new size
if (DesignerProperties.GetIsInDesignMode(this) == false && graphicsService != null)
{
// recreate the image source
imageSource.Dispose();
imageSource = new RenderTargetImageSource(GraphicsDevice, (int)ActualWidth, (int)ActualHeight);
rootImage.Source = imageSource.WriteableBitmap;
}
base.OnRenderSizeChanged(sizeInfo);
}
