Manually Customizing The Driver Installer
While the NimbusDriver Setup Designer facilitates the most commonly required installer modifications, you may occassionally wish to modify your driver installer in a way that's not yet directly supported by the designer. Because the setup designer is just manipulating the WiX source files that are part of the driver setup project, you can always resort to manually editing the WiX source files directly.
Before making any modifications to WiX source files directly, be sure your solution is checked into a source code control system, or make a backup copy of your driver setup project (or entire solution) before proceeding. Directly modifying the WiX source files should only be done by individuals who are already comfortable with WiX. Refer here to learn more about WiX.
Download a complete CHM version of this documentation here.