void UpdateIniItem(object sender)
        {
            var l = sender as ListView;
            if (l.SelectedIndex == -1)
                return;

            var c = l.Items[l.SelectedIndex] as BirthCertModel;

            var w = new BirthCertSettingsWindow(c.Field, c.Value)
            {
                BtnComment = { IsEnabled = false, Visibility = Visibility.Hidden }
            };

            if (w.ShowDialog() != false) return;
            switch (w.RetChangeType)
            {
                case ChangeType.Amend:
                    AmendOption(w, sender, ref c);
                    l.SelectedIndex = -1;
                    break;
                case ChangeType.Cancel:
                    l.SelectedIndex = -1;
                    break;
            }
        }
        void AmendOption(BirthCertSettingsWindow w, object sender, ref BirthCertModel c)
        {
            var newValue = w.OptionValue;

            var listView = sender as ListView;

            if (listView == null) return;
            var current = listView.Items[listView.SelectedIndex] as BirthCertModel;

            if (newValue == c.Value && (newValue != c.Value || current.Field[0] != '#')) return;

            current.Value = newValue;

            listView.Items.Refresh();

            if (c.Field.Contains("("))
                c.Field = c.Field.Split("(".ToCharArray())[0];

            NativeWinApi.WritePrivateProfileString("Operator", c.Field, c.Value, Properties.Resources.birth_cert);
        }