Acts as displayIfNeeded, but confining drawing to aRect and not backing up to the first opaque ancestor—it simply causes the receiver and its descendants to execute their drawing code.
Original signature is '- (void)displayIfNeededInRectIgnoringOpacity:(NSRect)aRect'
Available in Mac OS X v10.0 and later.
- aRect (NSRect)
- A rectangle defining the region to be redrawn. It 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)