Returns a thumbnail image whose size is no larger than the specified size.
Original signature is '- (CGImageRef)thumbnailWithMaximumSize:(NSSize)size'
Available in Mac OS X v 10.5 and later.
- size (NSSize)
- MISSING
An image.
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)