/// <summary> /// Add a method to call to the handler if the battery dies. /// </summary> /// <param name="handler"></param> public void RegisterHandler(BatteryIsDead handler) { batteryDeadHandler += handler; }
public void DeregisterHandler(BatteryIsDead handler) { batteryDeadHandler -= handler; }
public BatteryDeadObserver(BatteryIsDead handler) { batteryDeadHandler += handler; }