Overridden by subclasses to insert the supplied string at the insertion point or selection, deleting the selection if there is one.
Original signature is '- (void)insertText:(id)aString'
Available in Mac OS X v10.0 and later.


- aString (Id)
- The string to insert or replace the selection with. aString can be either an NSString object or an NSAttributedString object.

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