请问这个进度条方法怎么用 急急急

Question

给一个以前写的项目功能片段，你自己参考一下。这是用来复制文件的，你可以按照自己的需求做相应的修改。整个窗体文件都给你，窗体名称为：FormatCopy。FormatCopy.cs 代码：
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;
using System.Threading;namespace Server
{
    public partial class FormCopy : Form
    {
        string sourceDir = "";
        string desDir = "";
        Thread thread;
        bool flag = false;        //原目录
        public string SourceDir
        {
            get { return this.sourceDir; }
            set { this.sourceDir = value; }
        }        //目标目录
        public string DestDir
        {
            get { return this.desDir; }
            set { this.desDir = value; }
        }        public FormCopy()
        {
            InitializeComponent();
        }        private void FormCopy_Load(object sender, EventArgs e)
        {
            //在线程中处理文件复制可大大提高程序的运行效率
            thread = new Thread(new ThreadStart(Copy));
            thread.Start();
        }        private void Copy()
        {
            DirectoryInfo dir = new DirectoryInfo(sourceDir);
            CopyDirectorysAndFiles(desDir, dir);            flag = true;
            this.Close();
        }        /// <summary>
        /// 复制指定文件夹中的子文件夹和文件
        /// </summary>
        /// <param name="destDir">目标文件夹路径</param>
        /// <param name="sourceDir">DirectoryInfo 对象</param>
        private void CopyDirectorysAndFiles(string destDir, DirectoryInfo sourceDir)
        {
            string[] str = desDir.Split(new string[] { "\\" }, StringSplitOptions.None);            if (destDir.LastIndexOf('\\') != (destDir.Length - 1))
            {
                destDir += "\\";
            }            string destPath = destDir + sourceDir.Name + "\\";
            if (!Directory.Exists(destPath))
            {
                Directory.CreateDirectory(destPath);
            }
            
            //复制文件
            FileInfo[] files = sourceDir.GetFiles();
            //文件总量
            int length = 0;
            for (int i = 0; i < files.Length; i++)
                length += (int)files[i].Length;
            
            this.progressBar1.Value = 0;
            this.progressBar1.Maximum = length;            foreach (FileInfo file in files)
            {
                CopyFile(file, sourceDir.Name, destPath);
                this.progressBar1.Value += (int)file.Length;                //此语句大大提高了程序的运行效率
                Thread.Sleep(10);
            }            DirectoryInfo[] dirs = sourceDir.GetDirectories();
            foreach (DirectoryInfo dirInfo in dirs)
            {
                CopyDirectorysAndFiles(destPath, dirInfo);
            }
        }         /// <summary>
        /// 文件复制函数(将被复制的文件按每包 10 兆大小将原文件分包，这样便于大容量文件的操作)
        /// </summary>
        /// <param name="file">FileInfo 文件对象</param>
        /// <param name="src">原文件所在目录</param>
        /// <param name="dest">目标文件所在目录</param>
        private void CopyFile(FileInfo file, string src, string dest)
        {
            if (!flag)
            {
                string[] str = dest.Split(new string[] { "\\" }, StringSplitOptions.None);
                this.label1.Text = file.Name + "\r\n\r\n从 \'" + src + "\' 到 \'" + str[str.Length - 2] + "\'";                //打开并读取文件
                FileStream fs = new FileStream(file.FullName, FileMode.Open, FileAccess.Read);                int size = 1024 * 1024 * 10; //按每包 10 兆大小将原文件分包
                int length = (int)fs.Length; //原文件大小
                int package = length / size; //数据包的数量
                int m = length % size; //剩余数据包的数据量                //二进制读取器
                BinaryReader reader = new BinaryReader(fs);
                //创建新文件
                fs = new FileStream(dest + file.Name, FileMode.Create, FileAccess.Write);                //分包逐一读写文件(边读边写)
                for (int i = 1; i <= package; i++)
                {
                    //按指定数据包的大小读取数据
                    byte[] buffer = reader.ReadBytes(size);
                    //将读取的数据写入新文件中
                    fs.Write(buffer, 0, buffer.Length);
                }                //如果有未尽数据包则继续读写
                if (m != 0)
                {
                    byte[] buffer = reader.ReadBytes(m);                    fs.Write(buffer, 0, buffer.Length);
                }                reader.Close();
                fs.Close();
            }
        }        private void buttonCancel_Click(object sender, EventArgs e)
        {
            flag = true;
            thread.Abort();
            this.Close();
        }        private void FormCopy_FormClosed(object sender, FormClosedEventArgs e)
        {
            thread.Abort();
            flag = true;
        }
    }
}窗体 FormCopy 设计器代码：
namespace Server
{
    partial class FormCopy
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }        #region Windows 窗体设计器生成的代码        /// <summary>
        /// 设计器支持所需的方法 - 不要
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.progressBar1 = new System.Windows.Forms.ProgressBar();
            this.buttonCancel = new System.Windows.Forms.Button();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.label1 = new System.Windows.Forms.Label();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            // 
            // progressBar1
            // 
            this.progressBar1.Location = new System.Drawing.Point(27, 107);
            this.progressBar1.Name = "progressBar1";
            this.progressBar1.Size = new System.Drawing.Size(297, 20);
            this.progressBar1.TabIndex = 1;
            // 
            // buttonCancel
            // 
            this.buttonCancel.Location = new System.Drawing.Point(330, 106);
            this.buttonCancel.Name = "buttonCancel";
            this.buttonCancel.Size = new System.Drawing.Size(75, 23);
            this.buttonCancel.TabIndex = 2;
            this.buttonCancel.Text = "取  消";
            this.buttonCancel.UseVisualStyleBackColor = true;
            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
            // 
            // pictureBox1
            // 
            this.pictureBox1.Image = global::Server.Properties.Resources.FILEMOVE;
            this.pictureBox1.Location = new System.Drawing.Point(27, 0);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(352, 54);
            this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom;
            this.pictureBox1.TabIndex = 0;
            this.pictureBox1.TabStop = false;
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(29, 63);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(41, 12);
            this.label1.TabIndex = 4;
            this.label1.Text = "label1";
            // 
            // FormCopy
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(409, 137);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.buttonCancel);
            this.Controls.Add(this.progressBar1);
            this.Controls.Add(this.pictureBox1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
            this.MaximizeBox = false;
            this.MinimizeBox = false;
            this.Name = "FormCopy";
            this.Text = "正在复制....";
            this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.FormCopy_FormClosed);
            this.Load += new System.EventHandler(this.FormCopy_Load);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();        }        #endregion        private System.Windows.Forms.PictureBox pictureBox1;
        private System.Windows.Forms.ProgressBar progressBar1;
        private System.Windows.Forms.Button buttonCancel;
        private System.Windows.Forms.Label label1;
    }
}

Answer 1

窗体名称：FormCopy，上面写错了。