If you are looking for Dreamweaver type functionality in a windows
component, then try the WebDesigner component from Invivo software. It
has the following features -
1. Full source code preservation.
2. Translation/Rendering of custom tags.
3. Object model for programmatic access/modification of source
content.
and more
more info @[EMAIL PROTECTED]
http://www.invivosoft.com/products.html