internal override void ValidateUniqueTypeAttribution(XmlSchemaObjectTable labels, ValidationEventHandler h, XmlSchema schema) { foreach (XmlSchemaObject xmlSchemaObject in this.Items) { XmlSchemaParticle xmlSchemaParticle = (XmlSchemaParticle)xmlSchemaObject; xmlSchemaParticle.ValidateUniqueTypeAttribution(labels, h, schema); } }