static void Main(string[] args)
{
//发布者类 实例化
SubClass subClass1 = new SubClass();
EventSenderClass sender = subClass1;
// //订阅者类 实例化
// SubscriberClass sub = new SubscriberClass(sender);
//
// //触发事件
// sender.Start();
sender.Start();
}
public SubscriberClass(EventSenderClass sender)
{
//将方法加入事件的委托列表
sender.KeyPressed += new EventSenderClass.EventHandler <KeyPressedEventArgs>(WhenKeyPressed);
}