horizontalRulerView
The scroll view’s horizontal ruler view.
Declaration
var horizontalRulerView: NSRulerView? { get set }Discussion
The value of this property is nil when the scroll view has no horizontal ruler view.
If the scroll view is set to display a horizontal ruler view and doesn’t yet have one, this property creates an instance of the ruler view class set using the class method setRulerViewClass(_:). You can use this property to override the default ruler class set using the class method setRulerViewClass(_:).
Display of rulers is controlled using the rulersVisible property.