gtk_combo_set_value_in_list has been deprecated since version 2.4 and should not be used in newly-written code. Use GtkComboBox instead.
gtkComboSetValueInList(object, val, ok.if.empty)objectGtkCombo.valTRUE if the value entered must match one of the values in the list.ok.if.emptyTRUE if an empty value is considered valid.ok.if.empty parameter should be TRUE.