Attaches the submenu associated with the menu item at index.
Original signature is '- (void)attachSubmenuForItemAtIndex:(NSInteger)index'
Available in Mac OS X v10.0 and later.


- index (NSInteger)
- MISSING

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)