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


Associate an arbitrary named pointer with a window.


void* SDL_SetWindowData(SDL_Window * window,
                        const char *name,
                        void *userdata);

Function Parameters

window the window to associate with the pointer
name the name of the pointer
userdata the associated pointer

Return Value

Returns the previous value associated with name.


name is case-sensitive.


This function is available since SDL 2.0.0.


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