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 Since 3.0
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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.