[MSDN Library April 2000] IsFolder (69.8004201680672%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows Shell > Shell Reference > Shell Objects for Scripting and Visual Basic > FolderItem Object > Properties

[MSDN Library April 2000] isfolder Field (26.4033281296708%)

MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Microsoft Exchange 2000 Server > Reference > Web Store > Web Store Schema > Properties by Namespace > DAV: Namespace