I know you need
vb.net 2003, the first link might help you (it's
VB.NET 2005).
I havn't tried this yet (positive feedback).
Look at link #1 first.
(
1)
http://www.codeproject.com/useritems/Inpout32_read.asp
(2)
http://www.logix4u.net/inpout_theory.htm
(3)
http://www.logix4u.net/inpout32.htm
.