Wikipedia:WikiFunctions

WikiFunctions.dll is a Microsoft .NET Framework dynamically linked library containing various classes and user interface elements related to wiki editing. Besides being a repository for code shared between various AWB executables, WikiFunctions also contains much in the way of standalone code reusable by other projects and AWB plugins.

Objects
WikiFunctions contains various objects and modules used by AutoWikiBrowser, other AWB products, and AWB plugins. It also contains various items which may be of use to 3rd party developers, some of which are:

Login
Example to simply login to the English Wikipedia.

You need to reference the WikiFunctions.dll or the project.

Append
Example to append text to an existing page.