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How do I compile a WCF Service Library in 32-bit mode?

Answer 1

+1 A:

WcfServiceLibrary is a DLL, so should be built as "Any CPU". Only EXE projects hosting all the other DLLs need to be marked as "x86" or "x64" as required. Which project is the EXE in this case?

Sean Fausett 2010-09-20 20:26:04

The client is the EXE. The EXE calls functions of the WCF web service, the WCF service calls the Matlab functions in turn. I understand that DLL's need to be marked as "Any CPU", but if I do this, then I can't instantiate the Matlab class to call Matlab functionality as it gives an error.

Gravitas 2010-09-20 20:52:08

Presumably the client is actually using a proxy to the WCF service. So what is hosting the WCF service - IIS, a console app, or a Windows service?

Sean Fausett 2010-09-21 00:14:56

Problem solved. Thanks for putting me on the right track. See: http://stackoverflow.com/questions/3755761/i-cant-compile-a-standard-wcf-service-library-in-x86-format. I had a solution with two projects: one project was a console app which consumes services from the WCF Service Library, and one project was the WCF Service Library. When I ran the console app, it automatically executed the service, hosted with "WcfSvcHost". I've demonstrated that if I host my 32-bit WCF Service Library using a different method, namely IIS, it won't throw any exceptions just because its compiled in 32-bit mode.

Gravitas 2010-09-21 09:05:46

This link explains more about the methods to host WCF services: http://msdn.microsoft.com/en-us/library/bb332338.aspx#msdnwcfhc_topic3

Gravitas 2010-09-21 09:09:10

Answer 2

A:

I found a couple of good solutions which solved all my problems. I documented it here: http://stackoverflow.com/questions/3755761/i-cant-compile-a-standard-wcf-service-library-in-x86-format

Gravitas 2010-09-21 08:56:57

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How do I compile a WCF Service Library in 32-bit mode?

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