SDL_AddHintCallback3
Add a function to watch a particular hint.
Usage
#include "SDL3/SDL.h"
bool SDL_AddHintCallback(const char *name, SDL_HintCallback callback, void *userdata);
Header file
Defined in SDL3/SDL_hints.h
Overview
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 |
userdata
|
a pointer to pass to the callback function. |
Return value
Returns true on success or false on failure; call
SDL_GetError () for more information.
Thread safety
It is safe to call this function from any thread.