public void OnDeleteObject(object sender, EventArgs args)
{
if (!Utility.AskDeleteItem(_incomingRelayTitle))
return;
hMailServer.Settings settings = APICreator.Settings;
hMailServer.IncomingRelays incomingRelays = settings.IncomingRelays;
incomingRelays.DeleteByDBID(_incomingRelayID);
Marshal.ReleaseComObject(incomingRelays);
Marshal.ReleaseComObject(settings);
Instances.MainForm.RefreshParentNode();
}