c# 複製文件夾及其文件

網上找到的，以備以後使用

private void Copy()
        {
                DirectoryInfo dir = new DirectoryInfo("c:\\CSS");
                CopyDirectorysAndFiles("c:\\test", dir);
        }

        private void CopyDirectorysAndFiles(string dest, DirectoryInfo srcdir)
        {
                if (dest.LastIndexOf('\\') != (dest.Length - 1))
                {
                        dest += "\\";
                }
                string destPath = dest +srcdir.Name + "\\";
                if (!Directory.Exists(destPath))
                {
                     Directory.CreateDirectory(destPath);
                }
                FileInfo[] files = srcdir.GetFiles();
                foreach (FileInfo file in files)
                {
                        file.CopyTo(destPath + file.Name, true);
                }
                DirectoryInfo[] dirs = srcdir.GetDirectories();
                foreach (DirectoryInfo dirInfo in dirs)
                {
                        CopyDirectorysAndFiles(destPath, dirInfo);
                }
        }