--- In [email protected], "brucexs" <bswit...@...> wrote: > > > > But, I need to know: > > > > are there messages that require > > > > lParam to be a pointer to data (yes) > > lParam to be a pointer to buffer to receive data (yes) > > wParam to be a pointer to data (???) > > wParam to be a pointer to buffer to receive data (???) > > both wParam _and_ lParam to be a pointer to buffer? > > > > Can't figure how to frame that question to google. I might have to find an > > api expert to ask. > > > It's very unlikely for a message where wParam would be a receive buffer as > there needs to be a place to send the length of buffer. It would not be > lParam, as that would reverse the standard logic.
Good point, rule out two pointers, one of which is to a receiver buffer. > I suppose it is possible for wParam to be a buffer with data to be send, but > I have never heard of such a message. Me neither. Yet.
