Dan,

Check the reference for the class library, make sure you add it as a
project reference and not as a file reference.  If you add it as a file
reference VS.NET will lock the file.  Also, on the properties for th
reference make sure that CopyLocal = true.

Thanks!  Robert Gruen
Microsoft, VB.NET

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#Regarding VS.NET 2003:
  I have a solution with two projects in it. One is a C# class library,
and the other is a C# win forms app. The winforms app has the class library
as a dependency. Compiling the whole solution fails, because the IDE
complains that it cannot 'copy the output file [of the class library] to
the directory because the file is in use'. So, I have to remove the class
library as a dependency of the winforms app, compile the class library
seperately, add the class library back in as a dependency, then compile the
winforms app. This never happened before- what gives?

Thanks, Dan

#

I ported a multi-project workspace from VS6 to VS71/2003/.net

I do not have this problem.  Let me know if I can help.  FYI, I'm not
building "managed" code.

as a dependency. Compiling the whole solution fails, because the IDE
complains that it cannot 'copy the output file [of the class library] to the
directory because the file is in use'. So, I have to remove the class
library as a dependency of the winforms app, compile the class library
seperately, add the class library back in as a dependency, then compile the
winforms app. This never happened before- what gives?