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

If I understand your requirement correctly, the simple answer is: you can't.

That's because the client of the WCF service may be generated by any third party that uses your service.

IF you have control of the clients of your service, you can create a base client class that add the desired header and inherit the behavior on the worker classes.