I have a challenge for you: looking at this VI snippet, it appears that this loop should stop after 11 iterations. However, when you click Run Once, it doesn't stop. See if you can figure out why it doesn't stop.     Hint (if it really is much of a hint): it uses a trick I sincerely doubt you've ever seen before!   If you don't have LabVIEW 2015 (or don't feel like loading it from a VI snippet), here's a version that should work on versions as far back as 2009:   LV2009.vi