Displays the receiver but confines drawing to a specified region and does not back up to the first opaque ancestor—it simply causes the receiver and its descendants to execute their drawing code.
Original signature is '- (void)displayRectIgnoringOpacity:(NSRect)aRect'
Available in Mac OS X v10.0 and later.


- aRect (NSRect)
- A rectangle defining the region of the receiver to be redrawn; should be specified in the coordinate system of the receiver.

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