On Fri, 26 Jul 2002 12:00:13 -0500, Richard Mellina wrote: >MSCOMM is an Active X control that allows you to send and= receive >data via a PC's serial port. It comes with VB6 Enterprise and >Professional. If you have the Learning edition a MSCOMM clone= is >availed for download free of charge at >http://ourworld.compuserve.com/homepages/richard_grier/xmcomm.ht= m I have the Enterprise edition. The MSCOMM control does not allow= you to manipulate or test the individual port lines. In my application I= programmed lines to control the programming mode as well as= provide clock and data signals for the programming protocol. >I have played around with WIN95IO.DLL which is also free. Info= on >using it to control a parallel port is available at >http://www.aaroncake.net/electronics/vblpt.htm I'll give that one a look but now that I've bought the other and= it does both port types it may be harder to change! Thanks for the pointers, Tim -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads