Appends an arc to a mutable graphics path, possibly preceded by a straight line segment.
Original signature is 'void CGPathAddArc ( CGMutablePathRef path, const CGAffineTransform *m, CGFloat x, CGFloat y, CGFloat radius, CGFloat startAngle, CGFloat endAngle, bool clockwise );'
Available in Mac OS X v10.2 and later.

C# | Visual Basic | Visual C++ |
public static void AddArc( IntPtr path, IntPtr m, CGFloat x, CGFloat y, CGFloat radius, CGFloat startAngle, CGFloat endAngle, bool clockwise )

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