主要思路：利用button的特性，及巧妙使用tag属性。

　　　　设计：一个窗体，一个随机数数组类。

随机数数组类：（RandomNumber）可以得到任意0——X直接的随机整数排列数组　　

class RandomNumber    {        private int[] random;         /// 
         /// 随机数数组类          /// 
        public RandomNumber(int number)        {            random = new int[number];        }        /// 
        /// 任意随机数数组         /// 
        public int[] GetRandom()        {            Random r = new Random();            for (int i = 0; i < random.Length; )            {                int temp = r.Next(0, random.Length);                bool op = true;                for (int j = 0; j < i; j++)                {                    if (random[j] == temp)                    {                        op = false;                        break;                    }                }                if (op)                {                    random[i] = temp;                    i++;                }            }            return random;        }    }

 

界面：三个计时器timer，imageList控件一个

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 记忆纸牌{    public partial class MemoryCards : Form    {        public MemoryCards()        {            InitializeComponent();        }        private void MemoryCards_Load(object sender, EventArgs e)        {            Inint();        }        /// 
        /// 初始化         /// 
        private void Inint()        {            DealCard();//发牌         }       //变量        private Button[] buttons = new Button[16];//按钮数组        private int[] rand;//随机数组        private int time = 10;//倒计时计时器默认时间        private int gameTime = 0;//游戏时间        private Button btn1, btn2;//临时btn变量        private bool bl = true;//按钮用到的变量         /// 
        /// 发牌         /// 
        private void DealCard()        {            rand = new RandomNumber(16).GetRandom();//得到随机数              int i = 0;            foreach (Button item in flowLayoutPanel1.Controls)//容器中的button赋给button数组              {                item.Enabled = true;                buttons[i] = item;                i++;            }            //给button设置图片              for (i = 0; i < rand.Length / 2; i++)            {                buttons[rand[i]].ImageList = imageList1;                buttons[rand[i]].ImageIndex = i;                buttons[rand[i]].Tag = i;            }            for (i = rand.Length / 2; i < rand.Length; i++)            {                buttons[rand[i]].ImageList = imageList1;                buttons[rand[i]].ImageIndex = i - 8;                buttons[rand[i]].Tag = i - 8;            }        }        /// 
        /// 翻转牌         /// 
        private void TurnCard()        {            for (int i = 0; i < rand.Length; i++)            {                buttons[i].ImageList = imageList1;                buttons[i].ImageIndex = 8;            }        }        /// 
        /// 完成         /// 
        /// 
             private bool Success()        {            int i = 0;            foreach (Button item in flowLayoutPanel1.Controls)            {                if (item.Enabled == false)                {                    i++;                }            }            return i == 16 ? true : false; ;        }        /// 
        /// 倒计时计时器事件        /// 
        ///         ///         private void RTimer_Tick(object sender, EventArgs e)        {            if (time > 0)            {                time--;                lb_ShowTime.Text = "倒计时：" + time.ToString();            }            else            {                TurnCard();                lb_ShowTime.Text = "计时：" + gameTime.ToString();                RTimer.Stop();//停止倒计时                   GameTimer.Start(); //启动游戏计时器            }        }        /// 
        /// 按钮事件         /// 
        ///         ///         private void btn_Click(object sender, EventArgs e)        {            if (GameTimer.Enabled)            {                //翻转button后,显示图片                Button btn = sender as Button;                btn.ImageList = imageList1;                btn.ImageIndex = Convert.ToInt32(btn.Tag.ToString());                if (bl)                {                    btn1 = btn;                    bl = false;                    return;                }                else                {                    btn2 = btn;                    bl = true;                }                //判断是否一样                  if (btn1.ImageIndex == btn2.ImageIndex && btn1 != btn2)                {                    btn1.Enabled = false;                    btn2.Enabled = false;                }                else                {                    ClickCardTimer.Start();//启动button翻转后显示时间                   }            }        }        /// 
        /// 开始，重新开始         /// 
        ///         ///         private void btn_StartORRestart_Click(object sender, EventArgs e)        {            if (btn_StartORRestart.Text == "重新开始")            {                DealCard();//发牌                   //初始变量为默认                   time = 10;                gameTime = 0;                GameTimer.Stop();//游戏时间计时器停止                   lb_ShowTime.Text = "倒计时：" + time.ToString();                RTimer.Start();//倒计时开始              }            else            {                btn_StartORRestart.Text = "重新开始";                lb_ShowTime.Text = "倒计时：" + time.ToString();                DealCard();//发牌                   RTimer.Start();//倒计时开始            }        }        /// 
        /// 点击翻转后显示的时间         /// 
        ///         ///         private void ClickCardTimer_Tick(object sender, EventArgs e)        {            btn1.ImageIndex = 8;            btn2.ImageIndex = 8;            ClickCardTimer.Stop();        }        /// 
        /// 游戏时间计时         /// 
        ///         ///         private void GameTimer_Tick(object sender, EventArgs e)        {            gameTime++;            lb_ShowTime.Text = "计时：" + gameTime.ToString();            //判断是否完成              if (Success())            {                GameTimer.Stop();                MessageBox.Show("完成!,耗时：" + gameTime.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);            }        }    }}

实现有点不合理，时间仓促，就到这里了