How to add a custom HTTP header to every WCF call?

Question

I have a WCF service that is hosted in a Windows Service. Clients that using this service must pass an identifier every time they\'re calling service methods (because that i

Answer 1

var endpoint = new EndpointAddress(new Uri(RemoteAddress),
               new[] { AddressHeader.CreateAddressHeader(
                       "APIKey", 
                       "",
                       "bda11d91-7ade-4da1-855d-24adfe39d174") 
                     });