code: def pollNextOverlayEvent(self, ulOverlayHandle, uncbVREvent):
          
  
          fn = self.function_table.pollNextOverlayEvent
          pEvent = VREvent_t()
          result = fn(ulOverlayHandle, byref(pEvent), uncbVREvent)
          return result, pEvent
docs: Returns true and fills the event with the next event on the overlay's event queue, if there is one. 
          If there are no events this method returns false. uncbVREvent should be the size in bytes of the VREvent_t struct