Modifies the bounding rectangle for the cancel button cell.
Original signature is '- (NSRect)cancelButtonRectForBounds:(NSRect)rect'
Available in Mac OS X v10.3 and later.


- rect (NSRect)
- The current bounding rectangle for the cancel button.

The updated bounding rectangle to use for the cancel button. The default value is the value passed into the rect parameter.

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