Visual Studio 2010 64-bit COM Interop Issue

Question

I am trying to add a VC6 COM DLL to our VS2010RC C# solution. The DLL was compiled with the VC6 tools to create an x86 version and was compiled with the VC7 Cross-platform t

Answer 1

This issue can be resolved by opening the CSProj file and adding the following node to any of the '(Configuration)|Any CPU' nodes that are missing it:

<PlatformTarget>AnyCPU</PlatformTarget>

If this node is not present TlbImp will default to x86 and cause issues.