public void Start()
{
Subject realMan = new RealSubject();
Subject robotBody = new Proxy(realMan as RealSubject);
robotBody.Request();
}
public override void Request()
{
if (subject == null)
{
subject = new RealSubject();
}
subject.Request();
}
public Proxy(RealSubject subject)
{
this.subject = subject;
}