public void Unregister(AbstractObserver observer)
 {
     if (this.observers.Contains(observer))
     {
         observers.Remove(observer);
     }
 }
 public void Register(AbstractObserver observer)
 {
     if (!this.observers.Contains(observer))
     {
         observers.Add(observer);
     }
 }
Exemple #3
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 public void Unregister(AbstractObserver observer)
 {
     observers.Remove(observer);
 }
Exemple #4
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 public void Register(AbstractObserver observer)
 {
     observers.Add(observer);
 }