Sets the model column which combo_box should use to get string IDs for values from.
The column id_column in the model of combo_box must be of type G_TYPE_STRING.
A column in model to get string IDs for values from
Deprecated: Use gtk.drop_down.DropDown
Sets the model column which combo_box should use to get string IDs for values from.
The column id_column in the model of combo_box must be of type G_TYPE_STRING.