title: How to generate .winmd file using VS2012
body: <p>I have a project which is windows 8 application that create by using VS C++, javascript and html5.
  But when I compile the project (Windows Runtime Component project) using ARM solution platform, a winmd file is not generate. What I success to generate is dll file, pri file, ilk file and pdb file.
  Can someone teach me how to generate winmd file?</p>