static void Main(string[] args) { EmailManager _emailManager = new EmailManager(); SMSManager _smsmanager = new SMSManager(); OrderStatusChangeHandler _handler_one = new OrderStatusChangeHandler(_emailManager.Update); OrderStatusChangeHandler _handler_two = new OrderStatusChangeHandler(_smsmanager.Notify); Order _order = new Order("ODR100"); _order.Add_OrderStatusChanged(_handler_one); _order.Add_OrderStatusChanged(_handler_two); _order.ChangeOrderStatus(OrderStatus.CONFIRMED); _order.ChangeOrderStatus(OrderStatus.DISPTACHED); _order.ChangeOrderStatus(OrderStatus.DELIVERED); }
public void Remove_OrderStatusChanged(OrderStatusChangeHandler handler) { this.OrderStatusChanged -= handler; }
public void Add_OrderStatusChanged(OrderStatusChangeHandler handler) { this.OrderStatusChanged += handler; }