gistfile1.txt

      NSEvent* pingEvent = [NSEvent otherEventWithType:NSApplicationDefined 
                                              location:NSMakePoint(0, 0) 
                                         modifierFlags:0 
                                             timestamp:0 
                                          windowNumber:0 
                                               context:nil
                                               subtype:0 
                                                 data1:0 
                                                 data2:0];
      
      NSAssert(pingEvent, @"Cannot create pingEvent!");
      [NSApp postEvent:pingEvent atStart:NO];