LabVIEW does not provide innate zoom functionality. However, there are several things that you can do to improve the visualization of your code:
In May 2017, NI announced LabVIEW NXG, which, among other user interface changes, introduces zoom capabilities! Refer to LabVIEW and LabVIEW NXG Comparison tables for more information about the differences between the two development environments.
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