On Sat, May 23, 2020 at 6:01 AM Dmitry Timoshkov <[email protected]> wrote: > In addition to CS_HREDRAW | CS_VREDRAW the WM_SIZE handler should call > DefWindowProc() so that default message processing forces a window update. > After that the window gets repainted while being resized.
I've achieved the same effect with CS_HREDRAW | CS_VREDRAW | CS_OWNDC. It looks funky as if everything is working without the bitmap data being updated. Check it out if you have time. > I'd suggest to change the demo design, so that it provides a callback > to the graphics subsystem for a forced bitmap resize. Indeed we need a callback or... Would a longjmp to break the loop work? Alexei
