Retrieves an offscreen buffer and its parameters for a specified rendering context.
Original signature is 'CGLError CGLGetOffScreen ( CGLContextObj ctx, GLsizei *width, GLsizei *height, GLint *rowbytes, void **baseaddr );'
Available in Mac OS X v10.0 and later.


A result code. See “CGL Result Codes.”

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