private void OnRendering(object sender, EventArgs eventArgs)
{
if (!_timer.IsRunning)
{
return;
}
// Recreate back buffer if necessary.
if (_resetBackBuffer)
{
CreateBackBuffer();
}
// CompositionTarget.Rendering event may be raised multiple times per frame
// (e.g. during window resizing).
var renderingEventArgs = (RenderingEventArgs)eventArgs;
if (_lastRenderingTime != renderingEventArgs.RenderingTime || _resetBackBuffer)
{
_lastRenderingTime = renderingEventArgs.RenderingTime;
GraphicsDevice.SetRenderTarget(_renderTarget);
Render(_timer.Elapsed);
GraphicsDevice.Flush();
}
_d3D11Image.Invalidate(); // Always invalidate D3DImage to reduce flickering
// during window resizing.
_resetBackBuffer = false;
}
