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3.16.4 Eventtype Inheritance


   As event type is a specialization of value type then event type inheritance is directly analogous to value inheritance (see Section 3.9.1.3, “Value Inheritance Specification,? on page 3-27 for a detailed description of the analogous properties for valuetypes). In addition, an event type could inherit from a single immediate base concrete event type, which must be the first element specified in the inheritance list of the event declaration’s IDL. It may be followed by other abstract values or events from which it inherits.