(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_HintCallback

Type definition of the hint callback function.

Header File

Defined in SDL_hints.h

Syntax

typedef void (SDLCALL *SDL_HintCallback)(void *userdata, const char *name, const char *oldValue, const char *newValue);

Function Parameters

userdata what was passed as userdata to SDL_AddHintCallback()
name what was passed as name to SDL_AddHintCallback()
oldValue the previous hint value
newValue the new value hint is to be set to

CategoryAPI, CategoryAPIDatatype, CategoryHints