public Autodesk.Windows.RibbonItem GetRibbonItem(RibbonItem item)
        {
            Type itemType = item.GetType();

            var mi =
                itemType.GetMethod("getRibbonItem", BindingFlags.NonPublic | BindingFlags.Instance);

            var windowRibbonItem = mi.Invoke(item, null);

            return windowRibbonItem as Autodesk.Windows.RibbonItem;
        }