ВинФормы бронирование

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

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        ProgressBar[] ProgressBars;
        int Total = 32;


    public Form1()
        {
            InitializeComponent();
            ProgressBars = new ProgressBar[]
            {
                progressBar1,
            progressBar2,
            progressBar3,
            progressBar4,

            };





        }

        private void BuyButtonClick(object sender, EventArgs e)
        {

            Button button = (Button)sender;
           int tableNumber = Convert.ToInt32(button.Tag.ToString());
            ProgressBar table = ProgressBars[tableNumber];

            if (table.Value != table.Maximum)
            {

                table.Value++;
                logLabel.Text = "Столик забронирован";
                Total--;
                label5.Text = " Осталось столиков: " + (Total);

            }
            else
            {
                logLabel.Text = "За столиком нет мест";
            }
        }



    }
}