VS C#文件的复制

/// <summary>        /// 复制目录        /// </summary>        /// <param name="OldDirectoryPath">源目录</param>        /// <param name="NewDirectoryPath">新目录</param>        private void CopyDirectory(string OldDirectoryPath, string NewDirectoryPath)        {            DirectoryInfo OldDirectory = new DirectoryInfo(OldDirectoryPath);            DirectoryInfo NewDirectory = new DirectoryInfo(NewDirectoryPath);            if (!NewDirectory.Exists)            {                NewDirectory.Create();            }            foreach (FileInfo file in OldDirectory.GetFiles())            {                file.CopyTo(Path.Combine(NewDirectory.FullName, file.Name), true);            }            foreach (DirectoryInfo subDirectory in OldDirectory.GetDirectories())            {                CopyDirectory(subDirectory.FullName, Path.Combine(NewDirectory.FullName, subDirectory.Name));            }        }