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Programmatically editing VI Description

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I am trying to programmatically edit the VI Description for a large set of VIs. Seems like it should be very easy, but it doesn't appear to work. I can read the VI Description text fine, but when I try to write to that property, nothing happens. The text does not get edited, and no error is reported. What am I doing wrong?


NI documentation says that the VI Description property can be programmatically set:


Thank you for your help.


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Message 1 of 2
Accepted by topic author Chris_12345

You need to save the VI after you update the description.

Message 2 of 2