public static string BuildComment(string directoryPath, string netDiskID)
        {
            var para = new NDiskParameters(directoryPath, netDiskID);
            var xml  = SpringFox.XmlObject(para);

            return(Comment4NDisk.Prefix + xml);
        }
        public static NDiskParameters Parse(string comment)
        {
            if (comment == null || !comment.StartsWith(Comment4NDisk.Prefix))
            {
                return(null);
            }

            return((NDiskParameters)SpringFox.ObjectXml(comment.Substring(Comment4NDisk.Prefix.Length)));
        }