DevExpress.XtraNavBar.NavBarControl的用法（加主菜单和子菜单)

private void button1_Click_1(object sender, EventArgs e)
        {
            CreateMainMenu();
        }
        void CreateMainMenu()
        {
            List<MainMenu> mainList = new List<MainMenu>();
            for (int i = 1; i < 5; i++)
            {
                MainMenu m = new MainMenu();
                m.MID = i;
  &nb