gtk:tree-expander-hide-expander (object)

object -- a gtk:tree-expander object
setting -- a boolean whether the expander icon should be hidden

Accessor of the hide-expander slot of the gtk:tree-expander class. The gtk:tree-expander-hide-expander function gets whether the tree expander should be hidden in a gtk:tree-list-row object. The (setf gtk:tree-expander-hide-expander) function sets whether the expander icon should be visible in a gtk:tree-list-row object.

Since 4.10