title: Using c++ library in c#
body: <p>I am trying include c++ library (DLL) in my c# project but every time I do that I get following error message in VS2008, any suggestions?</p>
  
  <p><strong>EDIT:</strong> It's a C++ MFC DLL</p>
  
  <blockquote>
  <pre><code>---------------------------
  Microsoft Visual Studio
  ---------------------------
  A reference to 'C:\Users\cholachaguddapv\Desktop\imaging.dll' could not be added. Please make sure that the file is accessible, and
  that it is a valid assembly or COM component.
  </code></pre>
  </blockquote>