Notifies the delegate when the browser will scroll.
Original signature is '- (void)browserWillScroll:(NSBrowser *)sender'
Available in Mac OS X v10.0 and later.


- sender (NSBrowser)
- The browser sending the message.

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