hMailServer.Administrator.ucDNSBlackList.SaveData C# (CSharp) Method

        public bool SaveData()
        {
            bool newObject = false;
             if (_representedObject == null)
             {
            hMailServer.Settings settings = APICreator.Application.Settings;
            hMailServer.AntiSpam antiSpam = settings.AntiSpam;
            hMailServer.DNSBlackLists dnsBlackLists = antiSpam.DNSBlackLists;

            _representedObject = dnsBlackLists.Add();
            newObject = true;

            Marshal.ReleaseComObject(settings);
            Marshal.ReleaseComObject(antiSpam);
            Marshal.ReleaseComObject(dnsBlackLists);
             }

             _representedObject.Active = checkEnabled.Checked;

             _representedObject.DNSHost = textDNSHost.Text;
             _representedObject.ExpectedResult = textExpectedResult.Text;
             _representedObject.RejectMessage = textRejectionMessage.Text;
             _representedObject.Score = textSpamScore.Number;

             _representedObject.Save();

             // Refresh the node in the tree if the name has changed.
             IMainForm mainForm = Instances.MainForm;
             mainForm.RefreshCurrentNode(_representedObject.DNSHost);

             // Set the object to clean.
             DirtyChecker.SetClean(this);

             if (newObject)
             {
            SearchNodeText crit = new SearchNodeText(_representedObject.DNSHost);
            mainForm.SelectNode(crit);
             }

             return true;
        }