static void Main(string[] args)
{
//缺點: A.抽象通知者還是依賴抽象觀察者
// B.具體觀察者不一定是Update方法要叫用
//去掉抽象觀察者類別
Boss boss = new Boss();
BossEventArgs eventargs = new BossEventArgs()
{
Message = "燈愣!!"
};
StockObserver john = new StockObserver("john", boss);
NBAObserver kevin = new NBAObserver("kevin", boss);
boss.SubjectState = "老闆回來惹!";
boss.UpdateEventHandler += new EventHandler(john.CloseStockMarket);
boss.UpdateEventHandler += new EventHandler(kevin.CloseNBADirectSeeding);
boss.Notify(eventargs);
Console.ReadKey();
}
public void Notify(BossEventArgs e)
{
UpdateEventHandler(this, e);
}