How to avoid flicker while handling WM_ERASEBKGND in Windows dialog

Question

I have a dialog that resizes. It also has a custom background which I paint in response to a WM_ERASEBKGND call (currently a simple call to FillSolidRect).

When t

Answer 1

you can set parameter of your call to InvalidateRect method as false. This will prevent you to send WM_ERASEBKGND when the window will redraw.