예제 #1
0
 public override void Detach(Observer o)
 {
     obs.Remove(o);
 }
예제 #2
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 public abstract void Detach(Observer theObserver);
예제 #3
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 public override void Attach(Observer o)
 {
     obs.Add(o);
 }
예제 #4
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 public abstract void Attach(Observer listener);