How to get syntax highlighting for alternate file extension for Visual Studio 2010 or 2013?

Question

For older version of Visual Studio it was a simple tweak in registry

http://codebetter.com/darrellnorton/2004/04/21/get-visual-studio-syntax-highlighting-for-alterna

Answer 1

Go to Tools -> Options -> Text Editor -> File Extension and type your alternative extension and then associate it with your editor (e.g. Microsoft Visual C++)