private void OnUnloaded(object sender, RoutedEventArgs e)
{
if (_graphicsDeviceService != null)
{
RemoveBackBufferReference();
CompositionTarget.Rendering -= OnCompositionTargetRendering;
_graphicsDeviceService.DeviceResetting -= OnGraphicsDeviceServiceDeviceResetting;
_graphicsDeviceService = null;
DeviceService.EndD3D();
}
}
/// <summary>
/// Unload the DrawingSurface's content.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DrawingSurface_Unloaded(Object sender, System.Windows.RoutedEventArgs e)
{
if (IsInDesignMode)
return;
if (this.graphicsDeviceService != null)
{
// Remove back buffer references by disposing it
this.DisposeBackBuffer();
CompositionTarget.Rendering -= this.RenderSurface;
// Remove events from graphics device service
this.graphicsDeviceService.DeviceResetting -= this.GraphicsDeviceService_DeviceResetting;
this.graphicsDeviceService = null;
DeviceService.EndD3D();
}
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
if (_graphicsDeviceService == null)
{
DeviceService.StartD3D(Window.GetWindow(this));
// We use a render target, so the back buffer dimensions don't matter.
_graphicsDeviceService = GraphicsDeviceService.AddRef(1, 1);
_graphicsDeviceService.DeviceResetting += OnGraphicsDeviceServiceDeviceResetting;
// Invoke the LoadContent event
RaiseLoadContent(new GraphicsDeviceEventArgs(_graphicsDeviceService.GraphicsDevice));
EnsureRenderTarget();
CompositionTarget.Rendering += OnCompositionTargetRendering;
_contentNeedsRefresh = true;
}
}
/// <summary>
/// Load the DrawingSurface's content.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DrawingSurface_Loaded(Object sender, System.Windows.RoutedEventArgs e)
{
if (IsInDesignMode)
return;
if (this.graphicsDeviceService == null)
{
DeviceService.StartD3D(Window.GetWindow(this));
this.graphicsDeviceService = GraphicsDeviceService.AddRef(new WindowInteropHelper(Application.Current.MainWindow).Handle, 1, 1);
this.graphicsDeviceService.DeviceResetting += GraphicsDeviceService_DeviceResetting;
if (this.LoadContent != null)
this.LoadContent(this, new GraphicsDeviceEventArgs(this.GraphicsDevice));
this.CreateRenderTarget();
CompositionTarget.Rendering += this.RenderSurface;
this.needsRefresh = true;
}
}