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


Deregister the win32 window class from an SDL_RegisterApp call.


void SDL_UnregisterApp(void);


This can be called to undo the effects of SDL_RegisterApp.

Most applications do not need to, and should not, call this directly; SDL will call it when deinitializing the video subsystem.

It is safe to call this multiple times, as long as every call is eventually paired with a prior call to SDL_RegisterApp. The window class will only be deregistered when the registration counter in SDL_RegisterApp decrements to zero through calls to this function.


This function is available since SDL 2.0.2.


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