Take a look at the "toggle" example that comes with Ride7:
C:\Program Files\Raisonance\Ride\Examples\ARM\Primer\Primer2\toggle
Maybe that helps? It looks like the easiest is to add the files in the same folder and just reference them.
If you are in Ride7, right-click on your project name, then go to "Add..." -> "Item..." and point to the file you want to add to the project.