INotifyPropertyChane without WPF

gistfile1.cs

    public class Child
    {
        public string ParentPopertyName { get; set; }
    }

    public class Parent: INotifyPropertyChanged
    {
        public Parent()
        {
            this.PropertyChanged += Parent_PropertyChanged;
        }


        void Parent_PropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            this._myFavoriteChild.ParentPopertyName = e.PropertyName;
        }

        public event PropertyChangedEventHandler PropertyChanged;

        // This method is called by the Set accessor of each property. 
        // The CallerMemberName attribute that is applied to the optional propertyName 
        // parameter causes the property name of the caller to be substituted as an argument. 
        private void NotifyPropertyChanged([CallerMemberName] String propertyName = "")
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
            }
        }

        private Child _myFavoriteChild;

        public Child MyFavoriteChild
        {
            get { return _myFavoriteChild; }
            set
            {
                _myFavoriteChild = value;
                NotifyPropertyChanged();
            }
        }

    }