WmAutoUpdate.Updater.showUpdateDialog C# (CSharp) Method

        protected bool showUpdateDialog(Stream file)
        {
            Version currentVersion = callingAssembly.GetName().Version;
              XmlDocument xDoc = new XmlDocument();
              xDoc.Load(updateFilePath);
              XmlNodeList modules = xDoc.GetElementsByTagName("download");
              XmlNodeList versions = xDoc.GetElementsByTagName("version");

              Version newVersion = new Version(
            int.Parse(versions[0].Attributes["maj"].Value),
            int.Parse(versions[0].Attributes["min"].Value),
            int.Parse(versions[0].Attributes["bld"].Value));

              if (currentVersion.CompareTo(newVersion) < 0)
              {
            Logger.Instance.log("New Version available: " + newVersion.ToString());
            XmlNodeList messages = xDoc.GetElementsByTagName("message");
            XmlNodeList links = xDoc.GetElementsByTagName("link");
            String name = modules[0].Attributes["name"].Value;
            String link = links[0].InnerText;
            String message = messages[0].InnerText;
            this.zipFileURL = link;
            notification = new Notification(name, message, newVersion.ToString(), callingAssembly, this);
            notification.AbortUpdateEvent += new Notification.AbortUpdate(notification_AbortUpdateEvent);
            notification.StartUpdateEvent += new Notification.StartUpdate(startUpdate);

            Logger.Instance.log("Version: " + newVersion);
            Logger.Instance.log("Message: " + message);
            Logger.Instance.log("Link: " + link);

            if (notification.ShowDialog() == DialogResult.No)
            {
              notification.Dispose();
              return false;
            }
            else
            {
              notification.Dispose();
              string backupDir = appPath + "\\" + BACKUP_FOLDER_NAME;
              File.Create(backupDir + "\\" + "success");
              this.restartApp();
              return true;
            }

              }
              return true;
              #region other XML parser
              //XmlReaderSettings settings = new XmlReaderSettings();
              //settings.ConformanceLevel = ConformanceLevel.Fragment;
              //settings.IgnoreWhitespace = true;
              //settings.IgnoreComments = true;
              //using (XmlReader reader = XmlReader.Create(file, settings))
              //{
              //  while (reader.Read())
              //  {
              //    if (reader.IsStartElement())
              //    {
              //      if (reader.IsEmptyElement)
              //        Logger.Instance.log(reader.Name);
              //      else
              //      {
              //        Logger.Instance.log(reader.Name);
              //        reader.Read(); // Read the start tag.
              //        if (reader.IsStartElement())  // Handle nested elements.
              //          Logger.Instance.log("\r\n"+ reader.Name);
              //        Logger.Instance.log(reader.ReadString());  //Read the text content of the element.
              //      }
              //    }
              //  }
              //}
              #endregion
        }