I would recommend installing the evaluation version on another PC, other than the one used for development, just to be safe. You can only have one version of the activex controls per machine. So you cannot develop with the 1.1 version and 7.1 version of the ActiveX controls at the same time. This is due to the nature of activex controls.
Measurement Studio does not install any device drives. Since you are testing the upgrade, I would recommend you try your application with the newest version of the GPIB
driver. I do not anticipate any breaking changes between the 1.1 and 7.1 versions of the CWGPIB control, but it would be a good thing to verfiy anyway.
I hope this helps.
Bilal Durrani
NI