public static void ShowBox(Window parent, IIndexItem <DashboardConfigIndexExtraInfo> index = null)
        {
            DashboardEditor win = new DashboardEditor(parent, index);

            win.ShowDialog();
        }
        // TODO group and size buttons

        public static void ShowBox(Window parent)
        {
            DashboardEditor win = new DashboardEditor(parent);

            win.ShowDialog();
        }