Re: Unmanaged DLL staying loaded in NUnit GUI

I have this same problem, but I always assumed it was somehow inherent to the domain.  If
there is a solution, I would be extremely happy to have it implemented.


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From: [email protected]
[mailto:[email protected]] On Behalf Of Nassar, Anthony
Sent: Wednesday, December 19, 2007 11:36 AM
To: [email protected]
Subject: [Nunit-users] Unmanaged DLL staying loaded in NUnit GUI


I'm having some trouble with a Visual Studio 2005 project consisting solely of unit tests.
The code under test requires an unmanaged DLL (via P/Invoke declarations), which is copied
to the output directory. Obviously, it's then copied to the test project's output directory,
but if NUnit is open, and has just run those tests, then somehow the unmanaged DLL is still
loaded, and I can't build the test project again w/o killing NUnit entirely (loading a
different, unrelated test project into it doesn't solve the problem). Perhaps someone has
seen this before? I could investigate in more detail, but perhaps someone knows what's going
on here? I'm not suggesting that this is NUnit's problem; it may be that unmanaged DLLs are
loaded into a process, not an AppDomain, and then not unloaded (I'm guessing). 
 
The usual error message: "Unable to copy file
"D:\trunk\CommonFunctionality\Third-Party\Bin\lpsolve55.dll" to "bin\Debug\lpsolve55.dll".
The process cannot access the file 'bin\Debug\lpsolve55.dll' because it is being used by
another process."
 

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Tony Nassar

Cell: (703) 994-0954

Blog:  <blocked::http://slideguitarist.blogspot.com/> http://slideguitarist.blogspot.com/
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