WCF Quick Start - Designing Service Contracts The first step in creating WCF service is to define the Service Contract . Each service in WCF consists of endpoints, and each endpoint consists of an address, a binding, and a contract. Contracts of web services consists from set WSDL and XSD documents. In WCF , contract are a set of .NET type definitions annotated with special attributes, which can be turned into a set of WSDL and XSD documents. There are three types of contracts in WCF : Service Contract...