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1.0WEO's Blog...https://offeman.comweo2000https://offeman.com/author/weo2000/OOP with WCF: Decorate DataContract with [KnownType(typeof(aType))] - WEO's Blog...rich600338<blockquote class="wp-embedded-content" data-secret="iDFNHB9w4t"><a href="https://offeman.com/oop-with-wcf-decorate-datacontract-with-knowntypetypeofatype/">OOP with WCF: Decorate DataContract with [KnownType(typeof(aType))]</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://offeman.com/oop-with-wcf-decorate-datacontract-with-knowntypetypeofatype/embed/#?secret=iDFNHB9w4t" width="600" height="338" title="“OOP with WCF: Decorate DataContract with [KnownType(typeof(aType))]” — WEO's Blog..." data-secret="iDFNHB9w4t" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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WCF makes heavy use of reflection. In order to support object inheritance one needs to help WCF by decorating DataContract with [KnownType(typeof(aType))] so the service reference will include the proper information. Below is a quick example: The below data contract for an Animal also includes the known types of Cat and Dog: [DataContract] [KnownType(typeof(Cat))] [KnownType(typeof(Dog))] […]