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();
}