Refrain from TYPING IN ALL CAPITAL LETTERS. This is known as
shouting and should only be use for emphasis. These other styles of
formatting are also acceptable:

This _word_ is underlined.
This *word* is bold.
This /word/ is oblique (italic).

Virginia I may have been fun, but Virginia III, oooheee

link to idl
http://edndoc.esri.com/arcobjects/9.0/ExtendingArcObjects/Ch02/TypeLibrariesAndIDL.htm

http://msdn2.microsoft.com/en-us/library/ms810017.aspx

object Browser
http://www.romanpress.com/Browser/ObjectBrowser.htm