C# (CSharp) DesignPatterns.Structuration.Observer Eleve примеры использования

Пример #1

 public AbsenceObserver(Eleve eleve)
 {
     Student = eleve;
     Student.AttachObserver(this);
 }

Пример #2

 public NotesObserver(Eleve eleve)
 {
     Student = eleve;
     Student.AttachObserver(this);
 }