XPLMReceiveMonitorBoundsGlobal_f

typedef void (* XPLMReceiveMonitorBoundsGlobal_f)(
                         int                  inMonitorIndex,
                         int                  inLeftBx,
                         int                  inTopBx,
                         int                  inRightBx,
                         int                  inBottomBx,
                         void *               inRefcon);

This function is informed of the global bounds (in boxels) of a particular monitor within the X-Plane global desktop space. Note that X-Plane must be running in full screen on a monitor in order for that monitor to be passed to you in this callback.