typedef struct
{
	uint32_t menu_id;
	char *menu_text;
	void *submenu;
}MENU_ITEM;

public class MenuItem
{
   public int MenuId { get; set; }
   public string MenuText { get; set; }
   public ICollection<MenuItem> SubMenu { get; set; }
}

 public struct MENU_ITEM
{
     public int menu_id;
     public string menu_text;
     public ICollection<MENU_ITEM> SubMenu;
};

public struct MENU_ITEM
{
     public int menu_id;
     public string menu_text;
     public delegate void FuncPointer();
     public ICollection<MENU_ITEM> submenu;
};

static MENU_ITEM[] sub_menu_maint =
        {
            new MENU_ITEM() { menu_id = 0, menu_text = "NULL"   },
            new MENU_ITEM() { menu_id = 5, menu_text = "CONFIG",  ???????,  submenu = sub_menu_config },
        };