Question

I can reference Matlab code from a x86 based project, but not from an x64 project.

I can build the WCF Service as “Any CPU”, but not x86. When I attempt to build as x86 only, it gives the following error:

---start error---
System.BadImageFormatException: Could not load file or assembly 'file:///D:\backtest\WcfServiceLibrary.dll' or one of its dependencies. An attempt was made to load a program with an incorrect format.
---end error---

Thus, I’m stuck: how on earth do I provide Matlab calls via WCF? Its like some weird form of developers XOR.

Any ideas on how to either (a) compile the WCF Service Library in 32-bit mode, or (b) work around the issue?

I have Win7 x64, MSVS 2010.

Answer 1

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?