System.Xml [00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00] 1.0.5000.0 2.0.0.0 4.0.0.0 To be added System.Xml.Schema.XmlSchemaIdentityConstraint Specifies that an attribute or element value (or set of values) has a correspondence with those of the specified key or unique element. The constraint name must be unique within a schema. This class represents the keyref element from XMLSchema as specified by the World Wide Web Consortium (W3C). Constructor 1.0.5000.0 2.0.0.0 4.0.0.0 To be added Initializes a new instance of the class. Property 1.0.5000.0 2.0.0.0 4.0.0.0 System.Xml.Serialization.XmlAttribute("refer") System.Xml.XmlQualifiedName To be added: an object of type 'System.Xml.XmlQualifiedName' Name of a key or unique element defined in this schema (or another schema indicated by the specified namespace). The Refer value must be a QName. The Refer value can include a namespace prefix. Gets or sets the name of the key that this constraint refers to in another simple or complex type.