ต้องการให้ข้อความโชว์ในปุ่ม Button พอจะทำได้ไหมค่ะ

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        bool[] bArrStatus = { false, false};

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            button1.Text += "ว่าง";
            button2.Text += "ว่าง";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (bArrStatus[0] == false)
            {
                bArrStatus[0] = true;
                button1.Text = "A-01 ไม่ว่าง";
            }
            else
            {
                bArrStatus[0] = false;
                button1.Text = "A-01 ว่าง";
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (bArrStatus[1] == false)
            {
                bArrStatus[1] = true;
                button2.Text = "A-02 ไม่ว่าง";
            }
            else
            {
                bArrStatus[1] = false;
                button2.Text = "A-02 ว่าง";
            }
        }
    }
}