DRAFT

SDL_AddHintCallback

Use this function to add a function to watch a particular hint.

Contents

SDL_AddHintCallback

Syntax

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

Function Parameters

name	the hint to watch
callback	the function to call when the hint value changes
userdata	a pointer to pass to the callback function

Code Examples

You can add your code example here

Remarks

The function prototype for callback is:

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

where its parameters are:

userdata

what was passed as userdata to SDL_AddHintCallback()

name

what was passed as name to SDL_AddHintCallback()

oldValue

the old value

newValue

the new value

Version

This function is available since SDL 2.0.0.

Related Functions

SDL_DelHintCallback

CategoryAPI, CategoryHints

`userdata`	what was passed as userdata to SDL_AddHintCallback()
`name`	what was passed as name to SDL_AddHintCallback()
`oldValue`	the old value
`newValue`	the new value