gtk:drop-down-factory (object)

object -- a gtk:drop-down widget
factory -- a gtk:list-item-factory object, or nil for none

The accessor for the factory slot of the gtk:drop-down class gets or sets the factory that is used to populate list items. The gtk:drop-down-factory function gets The factory is always used for the item in the button. It is also used for items in the popup if the list-factory property is not set.