Sure. You can download DesktopSerialIO from my homepage, or you can use the
SDF code from www.opennetcf.org (it was designed for PocketPCs, but will
work with the desktop framework, too). Also, there is the Community Serial
control from Sax Software that is included in the (free from Microsoft) VB
..NET Resource Kit.
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.