We all understand the need to comprehensively document our class libraries and to keep it up to date with the code base. And still, documentation is an ongoing pain for all of us. The Visual Studio .NET IDE takes a first big step in easing that pain. It allows to document your code in a way that the compiler can create an XML document describing your classes, methods, properties, etc. This article explains how to use this feature and then create a basic help file out of it.