gtk-action-visible-vertical (object)

object -- a gtk-action object
visible -- true to make the action visible vertically

Accessor of the visible-vertical of the gtk-action class.

The slot access function gtk-action-visible-vertical checks whether the action is visible when vertical. The slot access function (setf gtk-action-visible-vertical) sets the visibility. The function gtk-action-visible-vertical has been deprecated since version 3.10 and should not be used in newly written code.