/**
Call before handling any SDL_Event (or use SDL_SetEventFilter).
@param event the SDL_Event you were about to handle.
- @return 1 if the event was filtered and should not be handled by your app.
+ @return 0 if the event was filtered and should not be handled by your app.
*/
extern DECLSPEC int SDLCALL HAA_FilterEvent(const SDL_Event *event);