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The NI Idea Exchange is a product feedback forum where NI R&D and users work together to submit ideas, collaborate on their development, and vote for the ones they like best. View all of the NI Idea Exchanges to post an idea or add your opinion on an existing one today!

Enable "Undo" even after saving the VI!

Status: Completed
by Member mishklyar on ‎06-08-2009 03:39 AM
Instead of saving few versions of the same VI, it would be nice to have "Undo" even after saving the VI.
Status: Completed
Available in LabVIEW 2011
by Active Participant PJM_Labview
on ‎06-08-2009 12:37 PM

Good idea.


I would also add that "Maximum Undo Step by VI" default value should be changed form 8 to the max of 99. For every new LabVIEW version I install, I end up doing this

by Member TimmTheEnchanter
on ‎10-30-2010 05:40 PM



Thank you for posting!

by Active Participant THailey3
on ‎11-02-2010 05:02 PM
Status changed to: In Development
by Member jdunham
on ‎11-03-2010 01:12 PM

I'm sure I would find this useful most of the time, but I am a little worried about security.  If something is typed into a VI and I want it gone, whether it's secret, profane, embarrassing, or whatever , I need to have some way to make sure it has been purged.  At the very least the undo cache should be saved somewhere else on the local machine rather than in the VI file itself.  But even if cached separately there needs to be an easy way to clean it up.


Microsoft Word had some big issues with this, and now there is a market for tools to clean up your Word docs.  Let's not go there!

by Active Participant GregS
on ‎11-03-2010 02:20 PM

@jdunham: I had read this (perhaps mistakenly) as retaining the Undo history in the current editing session (i.e. until the VI is closed), rather than saving it with the VI.  My take is that version control should act as the long-term "Undo" provider, so possibly contrary to the initial idea.

by Trusted Enthusiast
‎11-03-2010 04:47 PM - edited ‎11-03-2010 04:48 PM

GregS is correct -- this is just undo for the VI in memory. It does not save the undo stack into the VI. It is going to be the same behavior as, for example, editing a document in Microsoft Word, or a document in just about any other editing environment you can name.

by Active Participant G-Money
on ‎02-09-2011 11:03 AM
Status changed to: In Beta
Available in NI LabVIEW 2011 Beta
by Active Participant G-Money
on ‎08-09-2011 12:36 PM
Status changed to: Completed
Available in LabVIEW 2011
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