parallel port access with windows7 64

I access the parallel port on my older machine, 32bit win7, Igor 32bit, to control functions with quick toggles. It uses port access.xop and a 3rd party dll called inpout32.dll.

I found transitioning to a new 64 bit machine with windows7 64bit problematic. It now works after one tweak.

My newer machine needed a pci parallel card. That and the OS being window7 64bit was much discussed on other forums as problematic. I found the OS issues didn't arrise as I was using IGOR 32, not IGOR64. The solution was not so complicated. Success came when the inpout32.dll is loaded into the windows\SysWOW64 folder instead of the windows\system32 folder. Port access.xop now works.

Again, IGOR pro 32bit can control a parallel port in a newish computer, via a plugin parallel port card, under windows7 64bit, if you remember to put the inpout32.dll driver into the SysWOW64 folder instead of the system32 folder. *Your results may vary*