XPLMRegisterFlightLoopCallback

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XPLMRegisterFlightLoopCallback

XPLM_API void                 XPLMRegisterFlightLoopCallback(
                                   XPLMFlightLoop_f     inFlightLoop,    
                                   float                inInterval,    
                                   void *               inRefcon);    
This routine registers your flight loop callback. Pass in a pointer to a flight loop function and a refcon. inInterval defines when you will be called. Pass in a positive number to specify seconds from registration time to the next callback. Pass in a negative number to indicate when you will be called (e.g. pass -1 to be called at the next cylcle). Pass 0 to not be called; your callback will be inactive.