static void Main(string[] args) { ConsoleCall.Service1Client data = new ConsoleCall.Service1Client(); data.Endpoint.Address = new EndpointAddress("http://localhost:8732/Design_Time_Addresses/WcfServiceLibrary1/Service1/"); data.ClientCredentials.Windows.ClientCredential = CredentialCache.DefaultNetworkCredentials; Console.WriteLine(data.GetData(10)); Console.ReadLine(); Console.WriteLine(Class1.GetThis()); Console.ReadLine(); }