Millisecond Forums

I am trying to use Pin 2 of an LPT port as the valid response to a trial. I have looked at the Port Monitor, and I can see the check on Pin 2 change as the signal goes from high to low or low to high. My question is, what code/element allows me to read in a particular pin on an lpt port (Pin 2 in my case), and look for a change in voltage (either going high, or going low).