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

SDL_AddHintCallback

Add a function to watch a particular hint.

Header File

Defined in SDL_hints.h

Syntax

void SDL_AddHintCallback(const char *name,
                     SDL_HintCallback callback,
                     void *userdata);

Function Parameters

const char * name the hint to watch.
SDL_HintCallback callback An SDL_HintCallback function that will be called when the hint value changes.
void * userdata a pointer to pass to the callback function.

Version

This function is available since SDL 2.0.0.

See Also


CategoryAPI, CategoryAPIFunction, CategoryHints


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