static void Main(string[] args)
{
// Client Channel Factory
EndpointAddress serviceAddress = new EndpointAddress("http://localhost:3333/DemoService/");
// Binding
BasicHttpBinding httpBinding = new BasicHttpBinding();
httpBinding.Security.Mode = BasicHttpSecurityMode.TransportCredentialOnly;
httpBinding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Basic;
ChannelFactory <IDemoService> myChannelFacotry =
new ChannelFactory <IDemoService>(httpBinding, serviceAddress);
myChannelFacotry.Credentials.UserName.UserName = "******";
myChannelFacotry.Credentials.UserName.Password = "******";
// Proxy Erstellung
IDemoService proxy = myChannelFacotry.CreateChannel();
var ergebnis = proxy.Addition(2, 3);
Console.WriteLine($"Ergebnis: {ergebnis.ToString()}");
((IClientChannel)proxy).Close();
Console.ReadKey();
}