ADX Toys 2 WD a COM add-in for Microsoft Word that adds the syntax highlighting of the selected source code in the current document (see screenshot).
The add-in is based on Add-in Express 2 technology (http://www.add-in-express.com/) and designed to show you how to create add-ins, how to manage add-in's toolbars and controls, and how to get an access to Word objects.
Free download