Add project files.

QuickMVVMSetup/MainVM.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel;
+using System.Windows.Input;
+using System.Collections.ObjectModel;
+
+namespace QuickMVVMSetup;
+
+public class MainVM : ChangeNotifier
+{
+
+    private Person person;
+
+    public Person TargetPerson
+    {
+        get { return person; }
+        set { person = value; OnPropertyChanged(nameof(TargetPerson)); }
+    } 
+
+    private ObservableCollection<Person> _persons; //only when added/or removed (not for internal property changes)
+
+    public ObservableCollection<Person> Persons
+    {
+        get { return _persons; }
+        set { _persons = value; }
+    }
+
+    public void AddPerson(object person)
+    {
+        Persons.Add(TargetPerson);  // Adding to collection
+        TargetPerson = new Person(); //Resetting it
+    }
+
+
+    //public ICommand CMDAdd { get; set; }
+    public ICommand CMDAdd => new RelayCommand(AddPerson,null);
+
+    public MainVM()
+    {
+        //CMDAdd = new AddCommand(this);
+        //TargetPerson = new Person();
+        Persons = new ObservableCollection<Person>();
+    }
+}