public void addMenus(id sender)
{
NSMenuItem mItem = (NSMenuItem)sender;
NSMenuItem parent = mItem.parentItem;
NSMenu menu = parent.submenu;
//Remove the Add Menu Items Menu Item
menu.removeItem(mItem);
//Add The New Say Goodbye Item
NSMenuItem menuItem = new NSMenuItem withTitle("Say Goodbye") action(__selector(sayGoodBye:)) keyEquivalent("b");
// Note: on 10.9, this needs newItem.setKeyEquivalentModifierMask(NSControlKeyMask | NSAlternateKeyMask | NSCommandKeyMask);
menuItem.setKeyEquivalentModifierMask(NSEventModifierFlags.NSControlKeyMask | NSEventModifierFlags.NSAlternateKeyMask | NSEventModifierFlags.NSCommandKeyMask);
menu.addItem(menuItem);
}