WND_BACKGROUND_INDEX 1196 src/w32fns.c         SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX,
WND_BACKGROUND_INDEX 2474 src/w32fns.c         SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
WND_BACKGROUND_INDEX 5602 src/w32fns.c         SetWindowLong (tip_window, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));