SDL_AddHintCallback - Man Page
Add a function to watch a particular hint.
Synopsis
#include <SDL3/SDL_hints.h> bool SDL_AddHintCallback(const char *name, SDL_HintCallback callback, void *userdata);
Description
The callback function is called _during_ this function, to provide it an initial value, and again each time the hint's value changes.
Function Parameters
- name
the hint to watch.
- callback
An SDL_HintCallback function that will be called when the hint value changes.
- userdata
a pointer to pass to the callback function.
Return Value
for more information.
Thread Safety
It is safe to call this function from any thread.
Availability
This function is available since SDL 3.2.0.
See Also
Referenced By
SDL_HintCallback.3type(3), SDL_RemoveHintCallback(3).
SDL 3.2.16 Simple Directmedia Layer SDL3 FUNCTIONS