Sets the model column which @combo_box should use to get strings from
to be @text_column. The column @text_column in the model of @combo_box
must be of type %G_TYPE_STRING.
This is only relevant if @combo_box has been created with
#GtkComboBox:has-entry as %TRUE.
Sets the model column which @combo_box should use to get strings from to be @text_column. The column @text_column in the model of @combo_box must be of type %G_TYPE_STRING.
This is only relevant if @combo_box has been created with #GtkComboBox:has-entry as %TRUE.