Function sdl2_sys::SDL_RegisterEvents
source ยท pub unsafe extern "C" fn SDL_RegisterEvents(
numevents: c_int,
) -> Uint32
Expand description
Allocate a set of user-defined events, and return the beginning event number for that set of events.
Calling this function with numevents
<= 0 is an error and will return
(Uint32)-1.
Note, (Uint32)-1 means the maximum unsigned 32-bit integer value (or 0xFFFFFFFF), but is clearer to write.
\param numevents the number of events to be allocated \returns the beginning event number, or (Uint32)-1 if there are not enough user-defined events left.
\since This function is available since SDL 2.0.0.
\sa SDL_PushEvent