What happens if I don't paint when I get a WM_PAINT message?

Raymond ChenDecember 3, 2014Dec 3, 201412/3/14

Suppose your window procedure doesn't paint when it gets a WM_PAINT message. What happens? It depends on how you don't paint. If you have an explicit handler for the WM_PAINT message that does nothing but return without painting, then the window manager will turn around and put a new WM_PAINT message in your queue. "And try harder this ...