Provided by: libsdl3-doc_3.2.10+ds-1_all 

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. Simple Directmedia Layer SDL 3.2.10 SDL_HINT_WINDOWS_ERASE_BACKGROUND_MODE(3)