public void PullStart()
{
ConcretePublisherPull subject = new ConcretePublisherPull();
subject.Subscribe(new ConcreteSubscriberPull(subject));
subject.Subscribe(new ConcreteSubscriberPull(subject));
subject.State = "State...";
subject.Notify();
}
public ConcreteSubscriberPull(ConcretePublisherPull subject)
{
this.publisher = subject;
}
