I have one VI, that has a while loop. The stop button for this main be is in a "event" estructure, and works correctly. In this main VI I have a subVI, that has also a while loop. this subvi must be running all the time the main be runs, and an array of this subvi must be updated continuously in the main vi front panel. I have tried with the "control references", but I don´t know what I'm doing badly. Can someone explain me the way to do this? Thank you, I have just started using LabVIEW and this may be a silly question, sorry if so