KbtterWPF.ListWindow.ListOK_Click C# (CSharp) Method

        private void ListOK_Click(object sender, RoutedEventArgs e)
        {
            foreach (var i in ListsList.Items)
            {
                var ls = (i as StackPanel).Tag as TwitterList;
                var ch = ((i as StackPanel).Children[0] as CheckBox);
                var om = (bool)ch.Tag;
                if (ch.IsChecked != om)
                {
                    if (om)
                    {
                        svc.RemoveListMember(new RemoveListMemberOptions { ListId = ls.Id, UserId = tg.Id }, (tu, res) => { });
                    }
                    else
                    {
                        svc.AddListMember(new AddListMemberOptions { ListId = ls.Id, UserId = tg.Id }, (tu, res) => { });
                    }
                }

            }
            Close();
        }