The first must-have ObjectARX(.net) add-on: enhance your ObjectARX(.net) IntelliSense
If you haven't downloaded it yet, you must download the IntelliSense XML Files for ObjectARX for the .net Developers.
This download provides summary descriptions of types, members, and parameters to IntelliSense ToolTips in code and in the Object Browser for ObjectARX(.net).
The download works in both ObjectARX 2006 and 2007, and the download complements the IntelliSense ToolTips for the ObjectARX classes.
The download is .zip file,you must unzip it.You will find three IntelliSense XML Files (accui.xml,acdbmgd.xml and acmgd.xml).Then you must put the three files into the same directory of your AutoCAD application.