WinForm(C#)複製檔案夾

如:我想將 C:\abc檔案夾複製到 D:\ 下面怎麼辦呀?

 

using System.IO; 

 

 /// <summary>        /// 拷貝檔案夾        /// </summary>        /// <param name="srcdir"></param>        /// <param name="desdir"></param>        private void CopyDirectory(string srcdir, string desdir)        {            string folderName = srcdir.Substring(srcdir.LastIndexOf("\\")+1);            string desfolderdir = desdir +"\\"+ folderName;            if (desdir.LastIndexOf("\\") == (desdir.Length - 1))            {                desfolderdir = desdir + folderName;            }            string[] filenames = Directory.GetFileSystemEntries(srcdir);            foreach (string file in filenames)// 遍曆所有的檔案和目錄            {                if (Directory.Exists(file))// 先當作目錄處理如果存在這個目錄就遞迴Copy該目錄下面的檔案                {                    string currentdir = desfolderdir + "\\" + file.Substring(file.LastIndexOf("\\") + 1);                    if (!Directory.Exists(currentdir))                    {                        Directory.CreateDirectory(currentdir);                    }                    CopyDirectory(file, desfolderdir);                }                else // 否則直接copy檔案                {                    string srcfileName = file.Substring(file.LastIndexOf("\\")+1);                    srcfileName = desfolderdir + "\\" + srcfileName;                    if (!Directory.Exists(desfolderdir))                    {                        Directory.CreateDirectory(desfolderdir);                    }                                                            File.Copy(file, srcfileName);                }            }//foreach 

}//function end