public static void AddButton(RibbonQuickAccessToolbar toolbar, AbstractCommand command)
        {
            if (toolbar.IsNull() ||
                command.IsNull())
            {
                throw new ArgumentNullException();
            }

            toolbar.Items.Add(new RibbonButtonEx(command));

            CommandManager.Instance.Register(command);
        }
        public static void AddOrbMenuItem(Utils.Controls.Ribbon.Ribbon ribbon, AbstractCommand command)
        {
            if (ribbon.IsNull() ||
                command.IsNull())
            {
                throw new ArgumentNullException();
            }

            var orbMenuItem = new RibbonOrbMenuItemEx(command);
            ribbon.OrbDropDown.MenuItems.Add(orbMenuItem);

            CommandManager.Instance.Register(command);
        }