public OberverPattern()
{
ConcreteSubject s=new ConcreteSubject();
s.Attach(new ConcreteObserver(s, "a"));
s.Attach(new ConcreteObserver(s, "b"));
s.Attach(new ConcreteObserver(s, "c"));
s.Attach(new TwoConcreteObserver(s, "stop"));
s.SubjectState = "run";
s.Notify();
s.SubjectState = "stop";
s.Notify();
//用委托的方式
var one = new ConcreteObserver(s, "a");
var two = new TwoConcreteObserver(s, "b");
var de=new DelegetSubject();
de.Up += new DelegetSubject.EventHand(one.TestOneDelegate);
de.Up += new DelegetSubject.EventHand(two.TestDelegate);
de.Notify();
}
public ConcreteObserver(ConcreteSubject subject,string name)
{
this.subject = subject;
this.name = name;
}
public TwoConcreteObserver(ConcreteSubject concreteTest, string name)
{
this.concreteTest = concreteTest;
this.name = name;
}