Vincent-

>Extra question, how I can know all the property & method in IE application that use for? What tools can be use to explore all this property & method?
>Because I am beginner of OOP / COM+ objects. I need more guide on this topic.

The easiest way to start investigating the IE application object is to simply use Intellisense. Do:

LOCAL loIEobj AS InternetExplorer.Application
loIEobj.

After you type in the period, you should see all the members and Quick Info for each in tooltips.

If you subscribe to MSDN Library, look for the topic:
ms-help://MS.MSDNQTR.2002JUL.1033/ProgIE/workshop/browser/webbrowser/reference/objects/internetexplorer.htm