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microsoft.public.dotnet.framework.interop

C++ Wrapper and C#-DLL

Christian Schmidt

9/10/2007 8:33:00 PM

Hi,
I have a Win32-Application (Excel 2000) living in a different directory
than my C++/CLI mixed mode DLL. I can load the DLL as long as it does
not have references to a C# DLL in the mixed mode DLL's directory.
Otherwise I get System.IO.FileNotFoundException

I've tried two variants to solve the problem:

1. Modify the DLL search path by modifying the PATH environment variable
and changing the current dir to the DLL's path with no success. I
couldn't figure it out how to do it correctly. Any ideas?

2. Integrate the C# Library into the C++ wrapper by linking CIL into the
mixed mode DLL (single binary). I added the following postbuild step in
the C# project to generate a .netmodule:

cd $(ProjectDir)
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc /target:module
/out:$(OutDir)$(TargetName).netmodule *.cs

Then I removed the project reference in the C++ wrapper and replaced the
using statement to

#using "<TargetName>.netmodule"

Variant 2 works, but is somehow cumbersome and debugging the C# part
does not work. Does anyone know how to get variant 1 to work?

Thanks for any advice,

Christian
1 Answer

70.67.20.208@sjrb.ca

2/11/2013 8:16:00 PM

0

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