Increments the retain count of a CGLayer object.
Original signature is 'CGLayerRef CGLayerRetain ( CGLayerRef layer );'
Available in Mac OS X version 10.4 and later.


- layer (IntPtr)
- MISSING

The same layer you passed in as the layer 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)