PraktikaGlava6/Form2.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace praktika6
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
            Person person = new Person { Name = "Tom", Age = 18 };

            Label label1 = new Label();
            label1.Location = new Point(12, 10);
            label1.AutoSize = true;
            Controls.Add(label1);

            Label label2 = new Label();
            label2.Location = new Point(12, 40);
            label2.AutoSize = true;
            Controls.Add(label2);

            Button button = new Button();
            button.Location = new Point(12, 80);
            button.Text = "Change";
            button.AutoSize = true;
            Controls.Add(button);
            // изменяем свойство Name
            button.Click += (o, e) => person.Name = "admin";

            label1.DataBindings.Add(new Binding("Text", person, "Name", false, DataSourceUpdateMode.OnPropertyChanged));
            label2.DataBindings.Add(new Binding("Text", person, "Age", false, DataSourceUpdateMode.OnPropertyChanged));
        }
    }
    public class Person : INotifyPropertyChanged
    {
        string name = "";
        int age;
        public event PropertyChangedEventHandler? PropertyChanged;
        public string Name
        {
            get => name;
            set
            {
                if (name != value)
                {
                    name = value;
                    OnPropertyChanged();
                }
            }
        }
        public int Age
        {
            get => age;
            set
            {
                if (age != value)
                {
                    age = value;
                    OnPropertyChanged();
                }
            }
        }
        public void OnPropertyChanged([CallerMemberName] string prop = "")
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(prop));
        }
    }
}