public void  reXml ( string namepngname  )        {            XmlDocument doc = new XmlDocument();            doc.Load(_xmlpath);           /*XmlNodeList  lis =   doc.GetElementsByTagName("string");            foreach ( XmlNode  u in lis)            {                //Debug.WriteLine(u.InnerText.ToString());                if (u.InnerText.ToLower().Length > 6)                {                    if ((u.InnerText.ToLower()).Substring(0, 5) == "output")                    {                        u.InnerText = namepngname;                    }                }            }            Debug.WriteLine(doc.OuterXml);            */            XmlNode root = doc.DocumentElement;                      XmlNodeList  cbo = root["dict"].LastChild.ChildNodes;            foreach ( XmlNode cc in cbo )            {                if (cc.InnerText.ToLower().Length >6)                {                    if ((cc.InnerText.ToLower()).Substring(0, 6) == "output")                    {                       // Debug.WriteLine(cc.InnerText);                        cc.InnerText = namepngname;                    }                    //Debug.WriteLine(cc.InnerText.ToLower().Substring(0, 5));                }                //Debug.WriteLine(cc.InnerText);            }            doc.Save(_xmlpath);