progressBar如何根据当前进程来显示进度条？在线等

Question

如题 ~~~~~~~~~~~~~~~~~~~~~~~~~                                       

Answer 1

      private void button3_Click(object sender, EventArgs e)
        {
            if (backgroundWorker1.IsBusy)
            {
                return;
            }
            backgroundWorker1.RunWorkerAsync(new Caobject(serverurl.Text, localurl.Text));
            
        }        /// <summary>
        /// 递归核心
        /// </summary>
        /// <param name="SerUrl"></param>
        /// <param name="LocUrl"></param>
        private void Dir(string SerUrl, string LocUrl)
        {            DirectoryInfo dirser = new DirectoryInfo(SerUrl);
            DirectoryInfo[] adirser = dirser.GetDirectories();
            DirectoryInfo dirloc = new DirectoryInfo(LocUrl);
            DirectoryInfo[] adirloc = dirloc.GetDirectories();            CopyFiles(SerUrl, LocUrl);
            foreach (DirectoryInfo adirsers in adirser)
            {
                string DirFullName = LocUrl + "\\" + adirsers.Name;
                if (!Directory.Exists(DirFullName))
                {
                    Directory.CreateDirectory(DirFullName);
                }
                Dir(adirsers.FullName, DirFullName);
            }
        }        /// <summary>
        /// 复制文件
        /// </summary>
        private void CopyFiles(string SerUrl, string LocUrl)
        {
            string[] serfilenames = Directory.GetFiles(SerUrl).Select(s => System.IO.Path.GetFileName(s)).ToArray();
            string[] locfilenames = Directory.GetFiles(LocUrl).Select(s => System.IO.Path.GetFileName(s)).ToArray();
            foreach (string serurl in serfilenames)
            {
                FileInfo SerFile = new FileInfo(SerUrl + "\\" + serurl);
                string SerFileLastWriteTime = SerFile.LastWriteTime.ToString();
                string SerFileName = SerFile.Name.ToString();                string SerFileUrl = SerUrl + "\\" + SerFileName;
                string LocFileUrl = LocUrl + "\\" + SerFileName;                FileInfo LocFile = new FileInfo(LocUrl + "\\" + SerFileName);
                string LocFileLastWriteTime = LocFile.LastWriteTime.ToString();                if (SerFileLastWriteTime != LocFileLastWriteTime)
                {
                    try
                    {
                        File.Copy(SerFileUrl, LocFileUrl, true);
                    }
                    catch
                    {
                        MessageBox.Show("文件" + SerFileUrl + "被某人打开着，无法复制");
                    }
                }            }
        }               private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
        {   
            BackgroundWorker worker = sender as BackgroundWorker;               
           
            string ser = serverurl.Text;
            string loc = localurl.Text;
                Dir(ser, loc);
           
             //backgroundWorker1.ReportProgress(100); 
        }
           private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
        {
            progressBar1.Value = e.ProgressPercentage;
        }被自己写死了。。怎么把值传过来设置进度呢。。

Answer 2

具体可以参考下这个博文实现：
http://www.cnblogs.com/zhili/archive/2013/05/11/EAP.html