private static void ViewChanged(LedView self)
 {
     if (self.PropertyChanged != null)
     {
         self.PropertyChanged(self, new PropertyChangedEventArgs("LedState"));
     }
 }
 private static void ViewChanged(LedView self)
 {
     if (self.PropertyChanged != null)
     {
         self.PropertyChanged(self, new PropertyChangedEventArgs("LedState"));
     }
 }