Returns the thickness reserved to contain the images of the receiver’s ruler markers, the height or width depending on the receiver’s orientation.
Original signature is '- (CGFloat)reservedThicknessForMarkers'
Available in Mac OS X v10.0 and later.


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