Maps a mask into the specified rectangle and intersects it with the current clipping area of the graphics context.
Original signature is 'void CGContextClipToMask ( CGContextRef c, CGRect rect, CGImageRef mask );'
Available in Mac OS X v10.4 and later.


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