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CHAPTER 3 ■ EXPLORING THE WCF PROGRAMMING MODEL 77ramrameshreddy.blog.comnamespace QuickReturns.StockTrading.ExchangeService.Clients{[ServiceContract(Namespace = "http://QuickReturns")]interface ITradeService{[OperationContract()]Quote GetQuote(string ticker);}[OperationContract()]void PublishQuote(Quote quote);[DataContract(Namespace = "http://QuickReturns", Name = "Quote")]public class Quote{[DataMember(Name = "Ticker")]public string Ticker;}[DataMember(Name = "Bid")]public decimal Bid;[DataMember(Name = "Ask")]public decimal Ask;[DataMember(Name = "Publisher")]public string Publisher;[DataMember(Name = "UpdateDateTime")]private DateTime UpdateDateTime;class ExchangeServiceSimpleClient{static void Main(string[] args){EndpointAddress address =new EndpointAddress("http://localhost:8080/QuickReturns/Exchange");BasicHttpBinding binding = new BasicHttpBinding();IChannelFactory channelFactory =new ChannelFactory(binding);ITradeService proxy = channelFactory.CreateChannel(address);ramrameshreddyramrameshreddy