Rotates the receiver’s bounds rectangle by a specified degree value around the origin of the coordinate system, (0.0, 0.0).
Original signature is '- (void)rotateByAngle:(CGFloat)angle'
Available in Mac OS X v10.0 and later.


- angle (CGFloat)
- A float value specifying the angle of rotation, in degrees.

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