WM_SETREDRAW top-level constant
int
const WM_SETREDRAW
You send the WM_SETREDRAW message to a window to allow changes in that window to be redrawn, or to prevent changes in that window from being redrawn.
To learn more, see learn.microsoft.com/windows/win32/gdi/wm-setredraw.
Implementation
const WM_SETREDRAW = 11;