public void RenderScreen()
        {
            PrepLayer(TopLayer, ref _TopDFlag);
            PrepLayer(EffectLayer, ref _MenuDFlag);
            PrepLayer(MenuLayer, ref _MenuDFlag);
            PrepLayer(SpriteLayer, ref _SpriteDFlag);
            PrepLayer(MapLayer, ref _MapDFlag);
            PrepLayer(BackgroundLayer, ref _BackgroundDFlag);

            _MyBuffer.BufferDraw();
        }