//The ArrivalsMonitor class includes the Subscribe and Unsubscribe methods. internal virtual void Subscribe(BaggageHandler provider) { Console.WriteLine(string.Format("{0}准备订阅通知", name)); cancellation = provider.Subscribe(this); Console.WriteLine(string.Format("{0}订阅通知成功", name)); }
public virtual void Subscribe(BaggageHandler provider) { cancellation = provider.Subscribe(this); }