C# (CSharp) IPersonRegister.Attach примеры использования

Пример #1

 public HeightObserver(IPersonRegister p)
 {
     height = 0;
     this.p = p;
     p.Attach(this);
 }

Пример #2

 public MonthObserver(IPersonRegister p)
 {
     this.p = p;
     p.Attach(this);
 }

Пример #3

 public YearObserver(IPersonRegister p)
 {
     ageInYears = 0;
     this.p     = p;
     p.Attach(this);
 }

Пример #4

 public DayObserver(IPersonRegister p)
 {
     ageInDays = 0;
     this.p    = p;
     p.Attach(this);
 }