Sets the color of the selected text.
Original signature is '- (void)changeColor:(id)sender'
Available in Mac OS X v10.0 and later.


- sender (Id)
- The control that sent the message. NSTextView’s implementation sends a color message to sender to get the new color.

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