static void Main(string[] args)
{
Classic.PushModel.ConcreteSubject subjectPushModel = new Classic.PushModel.ConcreteSubject();
subjectPushModel.Attach(new Classic.PushModel.ConcreteObserver(subjectPushModel));
subjectPushModel.Attach(new Classic.PushModel.ConcreteObserver(subjectPushModel));
subjectPushModel.State = "Some State ...";
subjectPushModel.Notify();
Console.WriteLine();
Classic.PullModel.ConcreteSubject subjectPullModel = new Classic.PullModel.ConcreteSubject();
subjectPullModel.Attach(new Classic.PullModel.ConcreteObserver(subjectPullModel));
subjectPullModel.Attach(new Classic.PullModel.ConcreteObserver(subjectPullModel));
subjectPullModel.State = "Some State ...";
subjectPullModel.Notify();
Console.WriteLine();
LanguageSpecific.Subject subject = new LanguageSpecific.ConcreteSubject();
LanguageSpecific.Observer observer = new LanguageSpecific.Observer((observerState) => Console.WriteLine(observerState + " 1"));
subject.Event += observer;
subject.Event += (observerState) => Console.WriteLine(observerState + " 2");
subject.State = "State ...";
subject.Notify();
Console.ReadLine();
}
public ConcreteObserver(ConcreteSubject subject)
{
this.subject = subject;
}