What do you mean by enable, disable? Do you want to emulate the function
equivalent to that of the Control Panel? I don't think this API is
documented -- If it is, I haven't seen it.
Dick

Signature
Richard Grier (Microsoft Visual Basic MVP)
See www.hardandsoftware.net for contact information.
Author of Visual Basic Programmer's Guide to Serial Communications, 4th
Edition ISBN 1-890422-28-2 (391 pages) published July 2004. See
www.mabry.com/vbpgser4 to order.