// it doesn't seem useful to use WS_CLIPSIBLINGS here as we officially
// don't support overlapping windows and it only makes sense for them and,
// presumably, gives the system some extra work (to manage more clipping
// it doesn't seem useful to use WS_CLIPSIBLINGS here as we officially
// don't support overlapping windows and it only makes sense for them and,
// presumably, gives the system some extra work (to manage more clipping