Bug 34445 Reverse sort for AddressBook example
When you click on the header for a column in the AddressBook example, it sorts the selected column. It would be nice if selecting it again reversed the sort as most client applications would.
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/addressbook/AddressBook.java
new MenuItem(menu, SWT.SEPARATOR);
	
	
	subItem = new MenuItem(menu, SWT.NULL);
	subItem.setText(resAddressBook.getString("Exit"));
	subItem.addSelectionListener(new SelectionAdapter() {
		public void widgetSelected(SelectionEvent e) {
			shell.close();
		}
	});
}
/**
 * Creates all the items located in the Edit submenu and
 * associate all the menu items with their appropriate
 * functions.
 *
 * @param	menuBar Menu
 *				the <code>Menu</code> that file contain
 *				the Edit submenu.
 *
 * @see	#createSortMenu()
 */
private MenuItem createEditMenu(Menu menuBar) {
	
	MenuItem item = new MenuItem(menuBar, SWT.CASCADE);
	item.setText(resAddressBook.getString("Edit_menu_title"));
	Menu menu = new Menu(shell, SWT.DROP_DOWN);
	item.setMenu(menu);