C# Köstebek Oyunu

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 kostebekyakalama
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        int skor = 0;
        Random rnd = new Random();
        //www.bilisimogretmeni.com
        private void Form1_Load(object sender, EventArgs e)
        {
            for (int i = 0; i < 42; i++)
            {
                Button kostebekyuvasi = new Button();
                kostebekyuvasi.BackColor = Color.Black;
                kostebekyuvasi.ForeColor = Color.White;
                kostebekyuvasi.Width = 50;
                kostebekyuvasi.Height = 50;
                kostebekyuvasi.Text = (i + 1).ToString();
                flowLayoutPanel1.Controls.Add(kostebekyuvasi);
            }
        }
        private void timer1_Tick(object sender, EventArgs e)
        {
            int rastgele = rnd.Next(1, 42);
            //www.bilisimogretmeni.com   
            foreach (var b in flowLayoutPanel1.Controls)
            {
                Button kostebekyuvasi = b as Button;
                if (kostebekyuvasi.Text == rastgele.ToString())
                {
                    
                    kostebekyuvasi.BackColor = Color.Red;
                    kostebekyuvasi.Click += new EventHandler(kostebekyuvasi_Click);
                }
                else
                {
                    kostebekyuvasi.BackColor = Color.Black;
                }
            }
            label2.Text = skor.ToString();
        }
        void kostebekyuvasi_Click(object sender, EventArgs e)
        {
            Button kostebekyuvasi = sender as Button;
            if (kostebekyuvasi.BackColor == Color.Red)
                skor++;
            else
                skor--;
        }
        //www.bilisimogretmeni.com
        private void button1_Click(object sender, EventArgs e)
        {
            if (radioButton1.Checked) timer1.Interval = 1000;
            if (radioButton2.Checked) timer1.Interval = 500;
            if (radioButton3.Checked) timer1.Interval = 200;
            timer1.Start();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            timer1.Stop();
        }
    }
}