gtk:size-group-mode (object)

object -- a gtk:size-group object
mode -- a gtk:size-group-mode value to set for the size group

Accessor of the mode slot of the gtk:size-group class. The gtk:size-group-mode function gets the current mode of the size group. The (setf gtk:size-group-mode) function sets the mode.

The mode of the size group determines whether the widgets in the size group should all have the same horizontal requisition, :horizontal, all have the same vertical requisition, :vertical, or should all have the same requisition in both directions, :both.