I’ve written a blog post on how to get code hints for the ModX API (and DB API) to appear within Dreamweaver CS5.
http://www.nickcrossland.co.uk/blog/2010/modx-custom-code-hinting-dreamweaver-cs5
Hope someone will find this useful...
Author:
ManagerManager plugin - customise your ModX manager interface
Rckt - web development, Sheffield, UK