active_id was given to unset the active row, the function always returns true.
ComboBox.setActiveId
bool setActiveId(string activeId = null)Changes the active row of combo_box to the one that has an ID equal to active_id, or unsets the active row if active_id is null. Rows having a null ID string cannot be made active by this function.
If the #GtkComboBox:id-column property of combo_box is unset or if no row has the given ID then the function does nothing and returns false.
Parameters
activeId | the ID of the row to select, or null |
Returns
true if a row with a matching ID was found. If a null