D0250889陳靖樺

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 WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        List<Button> myList = new List<Button>();

        Random myRandom = new Random();

        public Form1()

        {

            InitializeComponent();

            button1.Enabled = false;

            button2.Enabled = false;

            button3.Enabled = false;

            button4.Enabled = false;

            button5.Enabled = false;

            button6.Enabled = false;

            button7.Enabled = false;

            button8.Enabled = false;

            button9.Enabled = false;

            myList.Add(button1);

            myList.Add(button2);

            myList.Add(button3);

            myList.Add(button4);

            myList.Add(button5);

            myList.Add(button6);

            myList.Add(button7);

            myList.Add(button8);

            myList.Add(button9);

        }

        private void button10_Click(object sender, EventArgs e)

        {

            Random rand = new Random();

            int number = rand.Next(0, 10);

            for (int i = 0; i < 9; i++)

            {

                number++;

                if (number >= 10)

                {

                    number -= 10;

                }

                myList[i].Text = number.ToString();

            }

        }

    }