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
"has-entry" as TRUE.
Since 2.24
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 "has-entry" as TRUE. Since 2.24