NAME

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

HEADER FILE

Defined in SDL3/SDL_hints.h

SYNOPSIS

#include "SDL3/SDL.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.