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   源码介绍

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO; //有关文件的
using System.Collections;

namespace 人物拼图游戏
{
    public partial class Form1 : Form
    {
    public Form1()
    {
        InitializeComponent();
    }
    public PictureBox[] PicBlock ;
    int GameSize;                 //布局大小 
    int MAP_WIDTH = 300;          //图片宽度
    int FirstBlock, SecondBlock;
    bool flag;                    //是否交换   
    int[] Position ;              //存放图片序号的数组
    Bitmap Source;                //原图像300*300
    string filename;              //所选择的文件名
    private void Form1_Load(object sender, System.EventArgs e)
    {            
        filename = Application.StartupPath   "\\defa.bmp";
        pictureBox1.Image = Image.FromFile(filename);
        flag = false;
        comboBox1.Items.Clear();
        comboBox1.Items.Add("9");
        comboBox1.Items.Add("16");
        comboBox1.Items.Add("25");
        comboBox1.Text = "9";
        MAP_WIDTH = 300;
        Source = new Bitmap(MAP_WIDTH, MAP_WIDTH);//原图像
        SaveBmp();
    }
    private void SaveBmp() //按MAP_WIDTH*MAP_WIDTH大小保存所选图片到Source位图
    {
        Graphics g ;
        g = Graphics.FromImage(Source);     //生成Graphics对象 
        g.DrawImage(Image.FromFile(filename), 0, 0, MAP_WIDTH, MAP_WIDTH);
        //pictureBox1.Image
    }
    private void init(int n)
    {
        Random rdm ;
        ArrayList al = new ArrayList();
        int t = 0;
        rdm = new Random();
        t = 0;
        while (al.Count < n * n)
        {
            t = rdm.Next(0, n * n);
            if ((!al.Contains(t)))
            {
                al.Add(t);
            }
        }
        //清除已有图片框控件数组中的控件
        if (PicBlock != null)
        {
            for (int i = 0; i < PicBlock.Length; i  )
                if(PicBlock[i]!=null)PicBlock[i].Dispose();
        }
        PicBlock = new PictureBox[n*n];
        Position = new int[n * n];
        for (t = 0; t <= al.Count - 1; t  )
        {
            Position[t] = Convert.ToInt16 (al[t]);
        }
    }
    private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
    {
        GameSize =(int) Math.Sqrt(Convert.ToInt16 (comboBox1.Text));
        init(GameSize);
    }
    private void button1_Click(object sender, System.EventArgs e)
    {
        openFileDialog1.ShowDialog();
        if (!string.IsNullOrEmpty(openFileDialog1.FileName))
        {
            filename = openFileDialog1.FileName;
            pictureBox1.Image = Image.FromFile(filename);
            SaveBmp();
        }
    }
    private void button2_Click(object sender, System.EventArgs e) //开始按钮
    {

        init(GameSize);       //卸载上次的图片块
        //重新加载图片块 
        int i = 0; 
        int BWidth = 0;         BWidth = MAP_WIDTH / GameSize; 
        for (i = 0; i <= GameSize * GameSize - 1; i  ) { 
        PicBlock[i] = new PictureBox(); 
        this.Controls.Add(PicBlock[i]); 
        PicBlock[i].Left = 250   BWidth * (i % GameSize); 
        PicBlock[i].Top = BWidth * (int)(i / GameSize)   70; 
        PicBlock[i].Width = BWidth; 
        PicBlock[i].Height = BWidth; 
        PicBlock[i].Name = "PicBlock"   i.ToString(); 
        PicBlock[i].Tag = i; 
        PicBlock[i].Image = create_image(Position[i]); 
        PicBlock[i].BorderStyle = BorderStyle.Fixed3D; 
        //PicBlock[i].BringToFront() 
        ((PictureBox)PicBlock[i]).Click  = swap; 
        } 
    }
    private void swap(object sender, System.EventArgs e) 
    { 
        //这里处理公共事件,根据单击交换数组元素； 
        PictureBox bClick=( PictureBox)sender; 
        int i = 0;
        Image temp; 
        //将被点击的控件赋给bClick变量 
        if (flag == false) 
        {
            flag = true; 
            FirstBlock = Convert.ToInt16(bClick.Tag); 
        }             
        else  //交换
        { 
            this.Text = "";
            SecondBlock = Convert.ToInt16(bClick.Tag); 
            temp = PicBlock[SecondBlock].Image; 
            PicBlock[SecondBlock].Image = PicBlock[FirstBlock].Image; 
            PicBlock[FirstBlock].Image = temp; 
            flag = false; 
            i = Position[SecondBlock]; 
            Position[SecondBlock] = Position[FirstBlock]; 
            Position[FirstBlock] = i; 
            foreach (int s in Position) 
            { 
                this.Text = this.Text   Position[s].ToString (); 
            }                  
            if (CheckWin() == true) //过关
            { 
                MessageBox.Show("成功了", "提示"); 
            } 
        } 
    }

    private bool CheckWin() //判断是否成功 
    {
        int t = 0;
        for (t = 0; t <= Position.Length - 1; t  )
        {
            if (Position[t] != t)
            {
                return false;
            }
        }
        return true;
    }
    private Bitmap create_image(int n)  //按标号n截图 
    {
        int W = 0;
        W = MAP_WIDTH / GameSize;
        Bitmap bit = new Bitmap(W, W);
        Graphics g = Graphics.FromImage(bit);   //生成Graphics对象 
        Rectangle a = new Rectangle(0, 0, W, W);
        Rectangle b = new Rectangle((n % GameSize) * W, n / GameSize * W, W, W);
        g.DrawImage(Source, a, b, GraphicsUnit.Pixel);
        //截图  Copy W*W part from source image Image.FromFile("temp.bmp")
        return bit;
    }
 
    }
}