Zad2Registration

using System;
using System.Windows.Forms;

namespace Zad2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (LoginTextBox.Text != "" && PasswordTextBox.Text != "" && ConfirmPasswordTextBox.Text != "")
            {
                if (PasswordTextBox.Text.Length < 6)
                {
                    MessageBox.Show("Пароль должен содержать не меньше 6 символов");
                }
                else
                {
                    if (PasswordTextBox.Text != ConfirmPasswordTextBox.Text)
                    {
                        MessageBox.Show("Пароли не совпадают");
                    }
                    else
                    {
                        User user = new User(LoginTextBox.Text,PasswordTextBox.Text);
                        Main main = new Main(user);
                        main.ShowDialog();
                    }
                }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            PasswordTextBox.PasswordChar = '*';
            ConfirmPasswordTextBox.PasswordChar = '*';
        }
    }

    public class User
    {
        private string _login;
        private string _password;

        public string Login => _login;
        public string Password => _password;

        public User(string login, string password)
        {
            _login = login;
            _password = password;
        }
    }
}