Implemented by subclasses to delete the selection, if there is one, or a single element forward from the insertion point (a letter or character in text, for example).
Original signature is '- (void)deleteForward:(id)sender'
Available in Mac OS X v10.0 and later.
- sender (Id)
- Typically the object that invoked this method.
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)