Hi Jattie, thanks for attempting to answer my question. Let me clear up my question some and maybe you can help me further. There is this DOS program/executable (not written by CVI) that I want to control using my own CVI program. The DOS program runs a special piece of equipment, and to exercise it, you just enter one keystroke at a time. Well, I want to automate this procedure so that someone doesn't have to sit at the computer to enter the keystrokes. I want my CVI program to be able to access the DOS program and put in the keystrokes. So, within my C Code, I will preprogram all the keystrokes that I will need to fully automate my test procedure. The desired result is to be running both the DOS program and my CVI program simultaneously and have the
CVI program enter the keystrokes into the DOS programs when needed. Now, I have the ability to do this, but ONLY if I use two computers that are connected serially, of which the DOS program runs on one computer and the CVI program on another computer. I want to be able to do this from only one computer to save on costs. Any further ideas you may have for me will be great. Thanks.