Distributing Web-based HTML Help
http://www.componentone.com/d2hhelp/160.distributingthehtmlhelpactivexcontrol.asp

ComponentOne
1998

Abstract:

In this article we discuss what browser-based HTML Help is, the sitemap file that's behind the HTML Help table of contents, how the HTML Help ActiveX control HHCTRL.OCX interprets and displays this sitemap file, and how you can automatically distribute HHCTRL.OCX.