Returns the current retain count of a CGL rendering context.
Original signature is 'GLuint CGLGetContextRetainCount ( CGLContextObj ctx );'
Available in Mac OS X v10.5 and later.


- ctx (IntPtr)
- MISSING

The retain count of the CGL rendering context.

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