private void AddCommand(Panel workItemPanel)
        {
            if (workItemPanel == null)
                return;

            var separator = new Separator();
            separator.Style = (Style)workItemPanel.FindResource("VerticalSeparator");
            workItemPanel.Children.Add(separator);

            var textLink = new TextLink();
            textLink.Text = "Select last";
            textLink.ToolTip = "Select workitem associated with last changeset";
            textLink.Command = new RelayCommand(SetLastWorkItem);
            workItemPanel.Children.Add(textLink);
        }