99/11/26第一個XNA檔

巫師下載

99/11/26 找到的網頁

http://cs0.wikidot.com/3dgamestart

99/11/12期中考完成!!!!!!!!!!!

產生亂數(案件自己拉)
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
    {
        int i, bno;
        int[] arry = new int[9];
        public Form1()
        {
            InitializeComponent();
        }

        private void button8_Click(object sender, EventArgs e)
        {
            if (button4.Text == "0")
            {
                String temp;
                temp = button4.Text;
                button4.Text = button8.Text;
                button8.Text = temp;
            }
            else if (button9.Text == "0")
            {
                String temp;
                temp = button9.Text;
                button9.Text = button8.Text;
                button8.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button5_Click_1(object sender, EventArgs e)
        {
            int rdno;
            int temp;
            arry[0] = 0;
            arry[1] = 1;
            arry[2] = 2;
            arry[3] = 3;
            arry[4] = 4;
            arry[5] = 5;
            arry[6] = 6;
            arry[7] = 7;
            arry[8] = 8;
            for (int i = 0; i < 9; i++)
            {
                Random rd = new Random();
                rdno = rd.Next(0, 9);
                button5.Text = Convert.ToString(rdno);
                temp = arry[rdno];
                arry[rdno] = arry[arry.Length - (i + 1)];
                arry[arry.Length - (i + 1)] = temp;
            }

            //output
            button1.Text = Convert.ToString(arry[0]);
            button2.Text = Convert.ToString(arry[1]);
            button3.Text = Convert.ToString(arry[2]);
            button4.Text = Convert.ToString(arry[3]);
            button6.Text = Convert.ToString(arry[4]);
            button7.Text = Convert.ToString(arry[5]);
            button8.Text = Convert.ToString(arry[6]);
            button9.Text = Convert.ToString(arry[7]);
            button10.Text = Convert.ToString(arry[8]);
        }
        private void button1_Click(object sender, EventArgs e)
        {
            if (button2.Text == "0")
            {
                String temp;
                temp = button2.Text;
                button2.Text = button1.Text;
                button1.Text = temp;
            }
            else if (button4.Text == "0")
            {
                String temp;
                temp = button4.Text;
                button4.Text = button1.Text;
                button1.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button2_Click(object sender, EventArgs e)
        {
            if (button1.Text == "0")
            {
                String temp;
                temp = button1.Text;
                button1.Text = button2.Text;
                button2.Text = temp;
            }
            else if (button3.Text == "0")
            {
                String temp;
                temp = button3.Text;
                button3.Text = button2.Text;
                button2.Text = temp;
            }
            else if (button6.Text == "0")
            {
                String temp;
                temp = button6.Text;
                button6.Text = button2.Text;
                button2.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button3_Click(object sender, EventArgs e)
        {
            if (button2.Text == "0")
            {
                String temp;
                temp = button2.Text;
                button2.Text = button3.Text;
                button3.Text = temp;
            }
            else if (button7.Text == "0")
            {
                String temp;
                temp = button7.Text;
                button7.Text = button3.Text;
                button3.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button4_Click(object sender, EventArgs e)
        {
            if (button1.Text == "0")
            {
                String temp;
                temp = button1.Text;
                button1.Text = button4.Text;
                button4.Text = temp;
            }
            else if (button6.Text == "0")
            {
                String temp;
                temp = button6.Text;
                button6.Text = button4.Text;
                button4.Text = temp;
            }
            else if (button8.Text == "0")
            {
                String temp;
                temp = button8.Text;
                button8.Text = button4.Text;
                button4.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button6_Click(object sender, EventArgs e)
        {
            if (button2.Text == "0")
            {
                String temp;
                temp = button2.Text;
                button2.Text = button6.Text;
                button6.Text = temp;
            }
            else if (button4.Text == "0")
            {
                String temp;
                temp = button4.Text;
                button4.Text = button6.Text;
                button6.Text = temp;
            }
            else if (button7.Text == "0")
            {
                String temp;
                temp = button7.Text;
                button7.Text = button6.Text;
                button6.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button7_Click(object sender, EventArgs e)
        {
            if (button3.Text == "0")
            {
                String temp;
                temp = button3.Text;
                button3.Text = button7.Text;
                button7.Text = temp;
            }
            else if (button6.Text == "0")
            {
                String temp;
                temp = button6.Text;
                button6.Text = button7.Text;
                button7.Text = temp;
            }
            else if (button10.Text == "0")
            {
                String temp;
                temp = button10.Text;
                button10.Text = button7.Text;
                button7.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button9_Click(object sender, EventArgs e)
        {
            if (button6.Text == "0")
            {
                String temp;
                temp = button6.Text;
                button6.Text = button9.Text;
                button9.Text = temp;
            }
            else if (button8.Text == "0")
            {
                String temp;
                temp = button8.Text;
                button8.Text = button9.Text;
                button9.Text = temp;
            }
            else if (button10.Text == "0")
            {
                String temp;
                temp = button10.Text;
                button10.Text = button9.Text;
                button9.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }
        private void button10_Click(object sender, EventArgs e)
        {
            if (button7.Text == "0")
            {
                String temp;
                temp = button7.Text;
                button7.Text = button10.Text;
                button10.Text = temp;
            }
            else if (button9.Text == "0")
            {
                String temp;
                temp = button9.Text;
                button9.Text = button10.Text;
                button10.Text = temp;
            }
            else
                MessageBox.Show("不能換");
        }

    }
}
-------------------------------------------------------------------------------------------------------------
小算盤(按鍵自己拉)
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 WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public string str = ""; //此字串用於存取使用者點擊的數字鍵
        public double all = 0;//用於計算結果暫存變數
        public int how = 0;//用於判斷使用者按下的運算元
        public Form1()
        {
            InitializeComponent();
        }
        private void button3_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "2";
            textBox1.Text = str;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "0";
            textBox1.Text = str;
        }
        private void button2_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }//若字串內容只有,則可視為沒有內容
            str += "1"; //字串內容+"1"
            textBox1.Text = str;//顯示字串內容
        }
        private void button4_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "3";
            textBox1.Text = str;
        }
        private void button5_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "4";
            textBox1.Text = str;
        }
        private void button6_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "5";
            textBox1.Text = str;
        }
        private void button7_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "6";
            textBox1.Text = str;
        }
        private void button8_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "7";
            textBox1.Text = str;
        }
        private void button9_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "8";
            textBox1.Text = str;
        }
        private void button10_Click(object sender, EventArgs e)
        {
            if (str == "0") { str = ""; }
            str += "9";
            textBox1.Text = str;
        }
        private void button16_Click(object sender, EventArgs e)
        {
            str = "";    //讓變數都初始化
            textBox1.Text = "0";
        }
        private void button11_Click(object sender, EventArgs e)
        {
            if (how == 1)
            { if (str == "") { str = "0"; };all += Convert.ToDouble(str); }
            else if (how == 2)
            { if (str == "") { str = "0"; };all -= Convert.ToDouble(str); }
            else if (how == 3)
            { if (str == "") { str = "1"; };all *= Convert.ToDouble(str); }
            else if (how == 4)
            { if (str == "") { str = "1"; };all /= Convert.ToDouble(str); }
            else if (how == 0)
            { if (str == "") { str = "0"; } all = Convert.ToDouble(str); }
            textBox1.Text = Convert.ToString(all);

            how = 1;
            label1.Text = " +";
            str = "";
        }
        private void button15_Click(object sender, EventArgs e)
        {
            if (str != "")//點擊=鍵還需判斷使用者是否輸入了數字內容
            {  //how用於判斷使用者按壓了哪一個運算字元.1:+  2:-  3:*  4:/   0:=,代表歸零
                //先執行上一步使用者所選擇的運算元
                if (how == 1) { all += Convert.ToDouble(str); }
                else if (how == 2) { all -= Convert.ToDouble(str); }
                else if (how == 3) { all *= Convert.ToDouble(str); }
                else if (how == 4) { all /= Convert.ToDouble(str); }
                else if (all == 0) { all = Convert.ToDouble(str); }
                else all = Convert.ToDouble(str);
            }

            how = 0;//再儲存使用者所按下的運算元
            label1.Text = "=";
            str = Convert.ToString(all);
            textBox1.Text = str;
        }
        private void button12_Click(object sender, EventArgs e)
        {
            if (how == 1)
            { if (str == "") { str = "0"; };all += Convert.ToDouble(str); }
            else if (how == 2)
            { if (str == "") { str = "0"; };all -= Convert.ToDouble(str); }
            else if (how == 3)
            { if (str == "") { str = "1"; };all *= Convert.ToDouble(str); }
            else if (how == 4)
            { if (str == "") { str = "1"; };all /= Convert.ToDouble(str); }
            else if (how == 0)
            { if (str == "") { str = "0"; } all = Convert.ToDouble(str); }
            textBox1.Text = Convert.ToString(all);

            how = 2;
            label1.Text = " -";
            str = "";
        }
        private void button13_Click(object sender, EventArgs e)
        {
            if (how == 1)
            { if (str == "") { str = "0"; };all += Convert.ToDouble(str); }
            else if (how == 2)
            { if (str == "") { str = "0"; };all -= Convert.ToDouble(str); }
            else if (how == 3)
            { if (str == "") { str = "1"; };all *= Convert.ToDouble(str); }
            else if (how == 4)
            { if (str == "") { str = "1"; };all /= Convert.ToDouble(str); }
            else if (how == 0)
            { if (str == "") { str = "0"; } all = Convert.ToDouble(str); }
            textBox1.Text = Convert.ToString(all);

            how = 3;
            label1.Text = " *";
            str = "";
        }
        private void button14_Click(object sender, EventArgs e)
        {
            if (how == 1)
            { if (str == "") { str = "0"; };all += Convert.ToDouble(str); }
            else if (how == 2)
            { if (str == "") { str = "0"; };all -= Convert.ToDouble(str); }
            else if (how == 3)
            { if (str == "") { str = "1"; };all *= Convert.ToDouble(str); }
            else if (how == 4)
            { if (str == "") { str = "1"; };all /= Convert.ToDouble(str); }
            else if (how == 0)
            { if (str == "") { str = "0"; } all = Convert.ToDouble(str); }
            textBox1.Text = Convert.ToString(all);

            how = 4;
            label1.Text = " /";
            str = "";
        }
    }
}

99/11/12 期中考...

小算盤(按鈕要自己拉)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        double num1 = 0.0, num2 = 0.0;  // 運算元
        string op;                      // 運算子
        bool reinput = true;
       
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            inputNumber(this.button1.Text);
        }
        private void button2_Click(object sender, EventArgs e)
        {
            inputNumber(this.button2.Text);
        }
        private void button3_Click(object sender, EventArgs e)
        {
            inputNumber(this.button3.Text);
        }
        private void button4_Click(object sender, EventArgs e)
        {
            inputNumber(this.button4.Text);
        }
        private void button5_Click(object sender, EventArgs e)
        {
            inputNumber(this.button5.Text);
        }
        private void button6_Click(object sender, EventArgs e)
        {
            inputNumber(this.button6.Text);
        }
        private void button7_Click(object sender, EventArgs e)
        {
            inputNumber(this.button7.Text);
        }
        private void button8_Click(object sender, EventArgs e)
        {
            inputNumber(this.button8.Text);
        }
        private void button9_Click(object sender, EventArgs e)
        {
            inputNumber(this.button9.Text);
        }
        private void button10_Click(object sender, EventArgs e)
        {
            inputNumber(this.button10.Text);
        }
        private void button11_Click(object sender, EventArgs e)
        {
            inputOP(this.button11.Text);
        }
        private void button12_Click(object sender, EventArgs e)
        {
            inputOP(this.button12.Text);
        }
        private void button13_Click(object sender, EventArgs e)
        {
            inputOP(this.button13.Text);
        }
        private void button14_Click(object sender, EventArgs e)
        {
            inputOP(this.button14.Text);
        }
        private void button15_Click(object sender, EventArgs e)
        {
            inputOP(this.button15.Text);
        }
        private void button16_Click(object sender, EventArgs e)
        {
            this.textBox1.Text = "0";
            reinput = true;
        }
        private void button17_Click(object sender, EventArgs e)
        {
            num2 = Convert.ToDouble(this.textBox1.Text);
            if (op == "+")
                this.textBox1.Text = Convert.ToString(num1 + num2);
            else if (op == "-")
                this.textBox1.Text = Convert.ToString(num1 - num2);
            else if (op == "*")
                this.textBox1.Text = Convert.ToString(num1 * num2);
            else if (op == "/")
            {
                if (num2 == 0) this.textBox1.Text = "除數不得為零！";
                else this.textBox1.Text = Convert.ToString(num1 / num2);
            }
            else if (op == "%")
            {
                if (num2 == 0) this.textBox1.Text = "除數不得為零！";
                else this.textBox1.Text = Convert.ToString(num1 % num2);
            }
            op = "";
            reinput = true;
        }
        private void button18_Click(object sender, EventArgs e)
        {
            Int64 result;
            if (Int64.TryParse(this.textBox1.Text, out result))
                inputNumber(this.button18.Text);
        }
        private void button19_Click(object sender, EventArgs e)
        {
            this.textBox1.Text = Convert.ToString(0 - Convert.ToDouble(this.textBox1.Text));
        }
        private void radioButton1_CheckedChanged(object sender, EventArgs e)
        {
            this.button18.Visible = false;
        }
        private void radioButton2_CheckedChanged(object sender, EventArgs e)
        {
            this.button18.Visible = true;
        }
        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            this.button19.Visible = !this.button19.Visible;
        }
        private void inputNumber(string btText)
        {
            if ((this.textBox1.Text.Length == 1 && this.textBox1.Text == "0") || reinput == true)
            {
                if (btText != ".")
                    this.textBox1.Text = btText;
                else
                    this.textBox1.Text = this.textBox1.Text + btText;
                reinput = false;
            }
            else
                this.textBox1.Text = this.textBox1.Text + btText;
        }
        private void inputOP(string btText)
        {
            op = btText;
            num1 = Convert.ToDouble(this.textBox1.Text);
            reinput = true;
        }
        private void groupBox1_Enter(object sender, EventArgs e)
        {
        }
    }
}
-------------------------------------------------------------------------------------------------------------
OX
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        int OX = 0;
        int[,] victory = new int[3, 3];
       
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            this.button1_Click(sender, e);
        }
        private void button1_Click(object sender, EventArgs e)
        {
            OX = 0;
            for (int x = 0; x < 3; x++)
                for (int y = 0; y < 3; y++)
                    victory[x, y] = -3;
            foreach (Control ctrl in this.Controls)
            {
                if (ctrl is PictureBox)
                {
                    PictureBox p = (PictureBox)ctrl;
                    p.Image = null;
                }
            }
            this.label1.Text = "";
        }
        private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox1, 0, 0);
        }
        private void pictureBox2_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox2, 0, 1);
        }
        private void pictureBox3_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox3, 0, 2);
        }
        private void pictureBox4_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox4, 1, 0);
        }
        private void pictureBox5_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox5, 1, 1);
        }
        private void pictureBox6_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox6, 1, 2);
        }
        private void pictureBox7_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox7, 2, 0);
        }
        private void pictureBox8_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox8, 2, 1);
        }
        private void pictureBox9_MouseDown(object sender, MouseEventArgs e)
        {
            drawOX(this.pictureBox9, 2, 2);
        }
        private void drawOX(PictureBox p, int x, int y)
        {
            if (p.Image == null && this.label1.Text == "")
            {
                OX = ++OX % 2;
                victory[x, y] = OX;
                if (OX == 1)
                    p.Image = System.Drawing.Image.FromFile("..\\..\\pic\\O.jpg");
                else
                    p.Image = System.Drawing.Image.FromFile("..\\..\\pic\\X.jpg");
                this.label1.Text = check_victory();
            }
        }
        private string check_victory()
        {
            for (int x = 0; x < 3; x++)     // 橫向檢查
            {
                int sum = 0;
                for (int y = 0; y < 3; y++)
                    sum += victory[x, y];
                if (sum == 0) return "Ｘ獲勝！";
                else if (sum == 3) return "Ｏ獲勝！";
            }
            for (int y = 0; y < 3; y++)     // 縱向檢查
            {
                int sum = 0;
                for (int x = 0; x < 3; x++)
                    sum += victory[x, y];
                if (sum == 0) return "Ｘ獲勝！";
                else if (sum == 3) return "Ｏ獲勝！";
            }
            if (victory[0, 0] + victory[1, 1] + victory[2, 2] == 0)     // 對角線檢查
                return "Ｘ獲勝！";
            else if (victory[0, 0] + victory[1, 1] + victory[2, 2] == 3)
                return "Ｏ獲勝！";
            if (victory[0, 2] + victory[1, 1] + victory[2, 0] == 0)     // 對角線檢查
                return "Ｘ獲勝！";
            else if (victory[0, 2] + victory[1, 1] + victory[2, 0] == 3)
                return "Ｏ獲勝！";
            return "";
        }
    }
}

試試小算盤

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
    {
        System.Windows.Forms.TextBox[] textBoxes;
        System.Windows.Forms.Button[] Buttons;
        int i=1;
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            textBoxes = new System.Windows.Forms.TextBox[16];
            textBoxes[i] = new TextBox();
            this.Controls.Add(textBoxes[i]);
            textBoxes[i].Location = new System.Drawing.Point(i * 10, 10);
            textBoxes[i].Size = new Size(260, 22);
            Buttons = new System.Windows.Forms.Button[16];
            for (int j = 0; j < 16; j++)
            {
                Buttons[j] = new Button();
                this.Controls.Add(Buttons[j]);
                if (j <= 3)
                    Buttons[j].Location = new System.Drawing.Point(10 + j * 65, 50);
                else if (j > 3 && j <= 7)
                    Buttons[j].Location = new System.Drawing.Point(10 + (j - 4) * 65, 80);
                else if (j > 7 && j <= 11)
                    Buttons[j].Location = new System.Drawing.Point(10 + (j - 8) * 65, 110);
                else if (j > 11 && j <= 15)
                    Buttons[j].Location = new System.Drawing.Point(10 + (j - 12) * 65, 140);
                Buttons[j].Size = new Size(60, 23);
            }
            for (int j = 0; j < 10; j++)
            {
                Buttons[j].Text = "" + j + "";
            }
            for (int j = 10; j < 11; j++)
            { Buttons[j].Text = ".";
            }
            for (int j = 11; j < 12; j++)
            { Buttons[j].Text = "=";
            }
            for (int j = 12; j < 13; j++)
            {
                Buttons[j].Text = "+";
            }
            for (int j = 13; j < 14; j++)
            {
                Buttons[j].Text = "-";
            }
            for (int j = 14; j < 15; j++)
            {
                Buttons[j].Text = "*";
            }
            for (int j = 15; j < 16; j++)
            {
                Buttons[j].Text = "/";
            }

        }
    }
}
-------------------------------------------------------------------------------------------------------------
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
    {
        System.Windows.Forms.TextBox[] textBoxes;
        System.Windows.Forms.Button[] Buttons;
        int i = 1, bno,j;
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            textBoxes = new System.Windows.Forms.TextBox[16];
            textBoxes[i] = new TextBox();
            this.Controls.Add(textBoxes[i]);
            textBoxes[i].Location = new System.Drawing.Point(i * 10, 10);
            textBoxes[i].Size = new Size(260, 22);
            Buttons = new System.Windows.Forms.Button[16];
            for (int j = 0; j < 16; j++)
            {
                Buttons[j] = new Button();
                this.Controls.Add(Buttons[j]);
                if (j <= 3)
                    Buttons[j].Location = new System.Drawing.Point(10 + j * 65, 50);
                else if (j > 3 && j <= 7)
                    Buttons[j].Location = new System.Drawing.Point(10 + (j - 4) * 65, 80);
                else if (j > 7 && j <= 11)
                    Buttons[j].Location = new System.Drawing.Point(10 + (j - 8) * 65, 110);
                else if (j > 11 && j <= 15)
                    Buttons[j].Location = new System.Drawing.Point(10 + (j - 12) * 65, 140);
                Buttons[j].Size = new Size(60, 23);
            }
            for (int j = 0; j < 10; j++)
            {
                Buttons[j].Text = "" + j + "";
            }
            for (int j = 10; j < 11; j++)
            {
                Buttons[j].Text = ".";
            }
            for (int j = 11; j < 12; j++)
            {
                Buttons[j].Text = "=";
            }
            for (int j = 12; j < 13; j++)
            {
                Buttons[j].Text = "+";
            }
            for (int j = 13; j < 14; j++)
            {
                Buttons[j].Text = "-";
            }
            for (int j = 14; j < 15; j++)
            {
                Buttons[j].Text = "*";
            }
            for (int j = 15; j < 16; j++)
            {
                Buttons[j].Text = "/";
            }

        }
        public void Buttons_Click(object sender, EventArgs e)
        {
            for (int j = 0; j < 10; ++j)
            {
                Buttons[j].Text = Convert.ToString( j );
                for (int i = 1; i < 2; ++i)
                {
                    j = Convert.ToInt16(textBoxes[i].Text);
                    textBoxes[i].Text=""+j;
                }
            }
            // System.Windows.Forms.MessageBox.Show("You have clicked button " +
            //   ((System.Windows.Forms.Button)sender).Tag.ToString());
            /*String tnum = sender.ToString();
            int tlen = tnum.Length;
            String no = tnum.Substring(tlen);
            for (int j = 0; j < 16; j++)
            {
                if (Buttons[j].Text == no)
                    bno = j;
            }
            switch (bno)
            {
                case 0:
                    MessageBox.Show("0");
                    break;
                case 1:
                    MessageBox.Show("1");
                    break;
                case 2:
                    MessageBox.Show("2");
                    break;
                case 3:
                    MessageBox.Show("3");
                    break;
                case 4:
                    MessageBox.Show("4");
                    break;
                case 5:
                    MessageBox.Show("5");
                    break;
                case 6:
                    MessageBox.Show("6");
                    break;
                case 7:
                    MessageBox.Show("7");
                    break;
                case 8:
                    MessageBox.Show("8");
                    break;
                case 9:
                    MessageBox.Show("9");
                    break;
                case 10:
                    MessageBox.Show("10");
                    break;
                case 11:
                    MessageBox.Show("11");
                    break;
                case 12:
                    MessageBox.Show("12");
                    break;
                case 13:
                    MessageBox.Show("13");
                    break;
                case 14:
                    MessageBox.Show("14");
                    break;
                case 15:
                    MessageBox.Show("15");
                    break;
            }
            */
        }
    }
}

99/11/05 HW

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
    {
        int temp;
        int nobtpressed = 0;
        int[] recordbutn = new int[9] { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
        System.Windows.Forms.Button[] Buttons;
        int bno;
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            Buttons = new System.Windows.Forms.Button[9];
           
            for (int i = 0; i < 9; ++i)
            {
                Buttons[i] = new Button();
                Buttons[i].Size = new Size(50, 50);
                Buttons[i].Click += new System.EventHandler(Buttons_Click);
                this.Controls.Add(Buttons[i]);
                if (i <= 2)
                    Buttons[i].Location = new System.Drawing.Point(10 + i * 80, 0 + 10);
                else if (i > 2 && i <= 5)
                    Buttons[i].Location = new System.Drawing.Point(10 + (i - 3) * 80, 50 + 10);
                else if (i > 5 && i <= 9)
                    Buttons[i].Location = new System.Drawing.Point(10 + (i - 6) * 80, 100 + 10);
                Buttons[i].Text = "" + i + "";
            }
        }
       
        public void Buttons_Click(object sender, EventArgs e)
        {
           
            // System.Windows.Forms.MessageBox.Show("You have clicked button " +
            //   ((System.Windows.Forms.Button)sender).Tag.ToString());
            String tnum = sender.ToString();
            int tlen = tnum.Length;
            String no = tnum.Substring(tlen - 1);
            for (int i = 0; i < 9; i++)
            {
                if (Buttons[i].Text == no)
                   bno = i;
            }

            switch (bno)
            {
                case 0:
                    //MessageBox.Show("0");
                    Buttons[0].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                     label2.Text = "" + nobtpressed;
                    temp = recordbutn[0];
                    recordbutn[0] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 1:
                    //MessageBox.Show("1");
                    Buttons[1].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                     label2.Text = "" + nobtpressed;
                    temp = recordbutn[1];
                    recordbutn[1] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 2:
                    //MessageBox.Show("2");
                    Buttons[2].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                     label2.Text = "" + nobtpressed;
                    temp = recordbutn[2];
                    recordbutn[2] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 3:
                    //MessageBox.Show("3");
                    Buttons[3].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                     label2.Text = "" + nobtpressed;
                    temp = recordbutn[3];
                    recordbutn[3] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 4:
                    //MessageBox.Show("4");
                    Buttons[4].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                     label2.Text = "" + nobtpressed;
                    temp = recordbutn[4];
                    recordbutn[4] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 5:
                    //MessageBox.Show("5");
                    Buttons[5].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                     label2.Text = "" + nobtpressed;
                     temp = recordbutn[5];
                    recordbutn[5] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 6:
                    //MessageBox.Show("6");
                    Buttons[6].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                    label2.Text = "" + nobtpressed;
                    temp = recordbutn[6];
                    recordbutn[6] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 7:
                    //MessageBox.Show("7");
                    Buttons[7].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                    label2.Text = "" + nobtpressed;
                    temp = recordbutn[7];
                    recordbutn[7] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
                case 8:
                    //MessageBox.Show("8");
                    Buttons[8].Image = pictureBox1.Image;
                    nobtpressed = nobtpressed + 1;
                    label2.Text = "" + nobtpressed;
                    temp = recordbutn[8];
                    recordbutn[8] = recordbutn[9 - nobtpressed];
                    recordbutn[9 - nobtpressed] = temp;
                    
                    break;
            }

        }
       
        private void button1_Click(object sender, EventArgs e)
        {
            Random rd = new Random();
           
            int rdno = rd.Next(9 - nobtpressed);
            label1.Text = "" + recordbutn[rdno];
            Buttons[recordbutn[rdno]].Image = pictureBox2.Image;
            nobtpressed = nobtpressed + 1;
            temp = recordbutn[rdno];
            recordbutn[rdno] = recordbutn[9 - nobtpressed];
            recordbutn[9 - nobtpressed] = temp;
           
            label2.Text = "" + nobtpressed;
           
        }
       
    }
}