gtk:widget-vexpand-set (object)

object -- a gtk:widget object
setting -- a boolean whether to use the vexpand property

Accessor of the vexpand-set slot of the gtk:widget class. The gtk:widget-vexpand-set function gets whether the (setf gtk:widget-vexpand) function has been used to explicitly set the expand flag on this widget. The (setf gtk:widget-vexpand-set) function sets whether the vexpand property will be used.

See the gtk:widget-hexpand-set function for more details.