Returns the title of the item at the specified index.
Original signature is '- (NSString *)itemTitleAtIndex:(NSInteger)index'
Available in Mac OS X v10.0 and later.


- index (NSInteger)
- The index of the item you want.

The title of the item, or an empty string if no item exists at the specified index.

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