public void BuildMenu()
{
SubMenu subMenu = new SubMenu("Show Date / Time", r_MainMenu);
ActiveItem activeItem = new ActiveItem("Show Date", subMenu);
activeItem.AddDoActionListener(new ShowDate() as IDoActionListener);
subMenu.AddMenuItem(activeItem);
activeItem = new ActiveItem("Show Time", subMenu);
activeItem.AddDoActionListener(new ShowTime() as IDoActionListener);
subMenu.AddMenuItem(activeItem);
r_MainMenu.AddMenuItem(subMenu);
subMenu = new SubMenu("Version and Digits", r_MainMenu);
activeItem = new ActiveItem("Count Digits", subMenu);
activeItem.AddDoActionListener(new CountDigits() as IDoActionListener);
subMenu.AddMenuItem(activeItem);
activeItem = new ActiveItem("Show Version", subMenu);
activeItem.AddDoActionListener(new ShowVersion() as IDoActionListener);
subMenu.AddMenuItem(activeItem);
r_MainMenu.AddMenuItem(subMenu);
}