The C# Source Code for the HelpBuilderHelpProvider and Visual Studio .NET Add-In is provided for those that want to customize the functionality of the .NET integration features. The VS.NET add-in code serves as an example how to utilize the Help Builder COM object through .NET COM Interop as well as providing a number of helpful routines for building .NET Add-Ins in general.

The source code for both projects is available from:
http://www.west-wind.com/files/HelpBuilderDotNetIntegration.zip