NAME¶

SDL_HINT_WINDOWS_ERASE_BACKGROUND_MODE - A variable controlling whether SDL will clear the window contents when the WM_ERASEBKGND message is received.

SYNOPSIS¶

#include <SDL3/SDL_hints.h>

#define SDL_HINT_WINDOWS_ERASE_BACKGROUND_MODE "SDL_WINDOWS_ERASE_BACKGROUND_MODE"

DESCRIPTION¶

The variable can be set to the following values:

• "0"/"never": Never clear the window.

• "1"/"initial": Clear the window when the first WM_ERASEBKGND event fires. (default)

• "2"/"always": Clear the window on every WM_ERASEBKGND event.

This hint should be set before creating a window.

AVAILABILITY¶

This hint is available since SDL 3.2.0.