public override void Draw(float elapsed)
        {
            if (this.Visible == false)
            {
                return;
            }
                        #if !XNATOUCH
            if (_isStopped == false || this.HideWhenStopped == false)
            {
                DrawingManager.ApplyPostProcess(_ppRequest, this.Layer);
            }
#endif
            base.Draw(elapsed);
        }