public static System.Xml.Schema.XmlSchemaComplexType GetTypedDataSetSchema(System.Xml.Schema.XmlSchemaSet xs)
        {
            QuestionSet ds = new QuestionSet();

            System.Xml.Schema.XmlSchemaComplexType type     = new System.Xml.Schema.XmlSchemaComplexType();
            System.Xml.Schema.XmlSchemaSequence    sequence = new System.Xml.Schema.XmlSchemaSequence();
            xs.Add(ds.GetSchemaSerializable());
            System.Xml.Schema.XmlSchemaAny any = new System.Xml.Schema.XmlSchemaAny();
            any.Namespace = ds.Namespace;
            sequence.Items.Add(any);
            type.Particle = sequence;
            return(type);
        }