BSky.RecentFileHandler.RecentDocs.AddXMLItem C# (CSharp) Method

        public void AddXMLItem(string item)
        {

            //check if duplicate//
            if (IsDuplicateInXml(item))
            {
                RemoveXMLItem(item);//remove duplicate item. later add it so that it will be (move) up on the list
            }
                //no duplicate. open XML for writing. Add to list //
                XmlDocument xd = new XmlDocument();

                try
                {
                    xd.Load(XMLFilename);//root element must exist in xml file
                }
                catch (Exception ex)
                {
                    logService.WriteToLogLevel("Error adding XML entry in " + XMLFilename, LogLevelEnum.Error);
                    logService.WriteToLogLevel(ex.Message, LogLevelEnum.Error);
                }
                ///get root element
                XmlNode xn = xd.SelectSingleNode("//recent");
                //if (xn == null)//if there is no <recent> tag
                //{
                //    XmlNode rootNode = xd.CreateElement("recent");
                //    xd.AppendChild(rootNode);
                //}

                //check if MaxItems is reached. if yes then remove last item then add new
                XmlNodeList xnlst = xd.GetElementsByTagName("item");
                if (xnlst.Count == MaxItems)
                {
                    xn.RemoveChild(xn.LastChild);
                }

                //Add new Node//
                XmlNode itemnode = xd.CreateElement("item");
                itemnode.InnerText = item;
                xn.InsertBefore(itemnode, xn.FirstChild);//insert on top
                xd.Save(XMLFilename);

                //Refesh
                RefreshXMLItems();
           
        }