title: Referencing VBA assembly in C#
body: <p>How do I reference VBA assembly in C# application from Visual Studio 2010? </p>
  
  <p>I can not find it in "Add Reference" dialog box. </p>
  
  <p>This is the reason why I need it: </p>
  
  <blockquote>
    <p>Error 1 The type 'VBA.Collection' is defined in an assembly that is not referenced. You must add a reference to assembly 'VBA, Version=6.0.0.0, Culture=neutral, PublicKeyToken=null'. ... </p>
  </blockquote>