Introduction to NotifyPropertyChangedGenerator4. public class PersonViewModel : INotifyPropertyChanged { public event PropertyChangedEventHandler PropertyChanged; private string name; public string Name { get { return this.name; } set { if (this.name == value) return; this.name = value; this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Name))); } } private int age; public int Age { get { return this.age; } set { if (this.
