下面是一段源代码，个别地方需要修正    
  类变量    
          private   static   int   total   =   0;    
          private   int   FileNumber   =   0;     //文件夹文件总数    
     
     
     
     
      调用    
      CopyDirectory(codeSourcePath   +   @"Site/",virtualDirPath   +   @"Site"   +   Path.DirectorySeparatorChar,statusForm);    
     
         
        ///   <summary>    
          ///   复制文件夹    
          ///   </summary>    
          ///   <param   name="sourceDirName">源文件夹</param>    
          ///   <param   name="destDirName">目标文件夹</param>    
          ///   <param   name="statusWinForm">状态窗口</param>    
     
          //复制文件夹    
             
          public   void   CopyDirectory(   string   sourceDirName,   string   destDirName,StatusWin   statusWinForm)    
          {        
     
              if(!Directory.Exists(destDirName))    
              {    
                  Directory.CreateDirectory(destDirName);    
                  File.SetAttributes(destDirName,   File.GetAttributes(sourceDirName));        
                  //File.SetAttributes(destDirName,FileAttributes.Normal);    
              }          
                 
              if   (destDirName[destDirName.Length   -   1]   !=   Path.DirectorySeparatorChar)    
                  destDirName   =   destDirName   +   Path.DirectorySeparatorChar;    
     
              string[]   files   =   Directory.GetFiles(sourceDirName);    
              foreach   (string   file   in   files)    
              {    
                  File.Copy(file,destDirName   +   Path.GetFileName(file),   true);    
                  File.SetAttributes(destDirName   +   Path.GetFileName(file),FileAttributes.Normal);    
                  total++;    
                  statusWinForm.progressBar1.Value   =   total;    
                  if(FileNumber   ==   0)    
                  {    
                      statusWinForm.lblStatus.Text   =   "已完成   100%";                        
                  }    
                  else    
                  {    
                      statusWinForm.lblStatus.Text   =   "已完成   "   +   (Math.Round((double)(100*total/FileNumber),0)).ToString()   +   "%";    
                  }    
                  statusWinForm.lblSourceFile.Text   =   file;    
                  statusWinForm.lblFileName.Text   =   destDirName   +   Path.GetFileName(file);    
                  statusWinForm.lblStatus.Refresh();    
                  statusWinForm.lblFileName.Refresh();    
                  statusWinForm.lblSourceFile.Refresh();    
     
              }    
     
     
              string[]   dirs   =   Directory.GetDirectories(sourceDirName);    
              foreach   (string   dir   in   dirs)    
              {    
                  statusWinForm.Refresh();    
                  statusWinForm.Focus();    
                  statusWinForm.Activate();    
                  CopyDirectory(dir,   destDirName   +   Path.GetFileName(dir),statusWinForm);    
              }    
          }          
             
    public   static   int   GetFilesCount(System.IO.DirectoryInfo   dirInfo)      
          {      
              int   totalFile   =   0;      
              totalFile   +=   dirInfo.GetFiles().Length;      
              foreach   (System.IO.DirectoryInfo   subdir   in   dirInfo.GetDirectories())      
              {      
                  totalFile   +=   GetFilesCount(subdir);      
              }      
              return   totalFile;      
          }