From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
This problem is not unique to CVI. You will notice that if any window is not the highlighted window, then it will not register a key press. You cannot type a word in word or a browser window without having that window highlighted. There is not an explicit solution to this in CVI, other than guaranteeing that the window that you want to register events is the one that is selected.