Hi,

You'll probably find that the USB device appears on your machine as a Comm port anyway so there's a pretty good chance that your existing code will work if you target the correct port.
HTH,
Viv

>Hi,
>
>I need to communicate from my application with a reader connected to the PC via an USB cable. In the past, I've used serial communications devices and MSCOMM for communications.
>Any suggestions about USB communications?
>
>TIA