public async Task Draw(CompositionGraphicsDevice device, Object drawingLock, ContentDrawer drawer)
{
Debug.Assert(_surface != null);
_drawer = drawer;
await _drawer.Draw(device, drawingLock, _surface, _surface.Size);
}
private async Task ReloadContent(CompositionGraphicsDevice device, Object drawingLock)
{
await _drawer.Draw(device, drawingLock, _surface, _surface.Size);
}