using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics.Eventing.Reader;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Сидоров_Ярослав_Исп_33
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            TbPassword.UseSystemPasswordChar = true;
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            if (checkBox1.Checked)
            {
                TbPassword.UseSystemPasswordChar = false;
            }
            else
            {
                TbPassword.UseSystemPasswordChar = true;
            }
        }
    }
    }