/// <summary>
        ///
        /// </summary>
        /// <param name="vssFilePath"></param>
        /// <param name="localPath"></param>
        /// <param name="comment"></param>
        public void UndoCheckOut(string vssFilePath, string comment)
        {
            vssFilePath = this.FormatToVssDir(vssFilePath);

            IVSSDatabase vssDatabase = new VSSDatabase();

            vssDatabase.Open(this.srcSafeIni, this.username, this.password);

            IVSSItem vssFile = vssDatabase.get_VSSItem(vssFilePath, false);

            //只有取消自己检出的
            if ((VSSFileStatus)vssFile.IsCheckedOut == VSSFileStatus.VSSFILE_CHECKEDOUT_ME)
            {
                vssFile.UndoCheckout();

                Console.WriteLine("undo check out ." + vssFilePath);
            }
            Console.ReadLine();
        }