C# (CSharp) IHasWeakReference примеры использования

Пример #1

 public BusyToken(IHasWeakReference vm, IBusyToken token)
     : this(vm, token.Message)
 {
     token.Register(this);
 }

Пример #2

 public BusyToken(IHasWeakReference vm, object message)
 {
     _message = message;
     _ref     = vm.WeakReference;
 }