浏览文件夹

  /// <summary>

        /// 浏览文件夹

        /// </summary>

        /// <returns></returns>

        private string BrowseFolder()

        {

            FolderBrowserDialog fld = new FolderBrowserDialog(); //c#实现的类，代码关键

            //   fld.ShowDialog();

            if (fld.ShowDialog() == DialogResult .OK)

            {

                return fld.SelectedPath;

            }

            return string .Empty;

        }