Frees the receiver’s graphics state object, if it has one.
Original signature is '- (void)releaseGState'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public virtual void ReleaseGState()
Public Overridable Sub ReleaseGState
public: virtual void ReleaseGState()

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