LabWindows/CVI Idea Exchange

About LabWindows/CVI Idea Exchange

Do you have a feature idea for how to improve LabWindows/CVI? Submit and vote on ideas now!
  1. Browse by label or search in the LabWindows/CVI Idea Exchange to see if your idea has previously been submitted. If your idea exists, be sure to vote for the idea by giving it kudos to indicate your approval!
  2. If your idea has not been submitted click New Idea to submit a product idea. You should submit a separate post for each idea. Watch as the community gives your idea kudos and adds their input.
  3. Give kudos to other ideas that you would like to see implemented!
  4. NI R&D will review ideas that have been submitted and update the status.

Note: the LabWindows/CVI Idea Exchange is not the appropriate forum to submit technical support questions.

The LabWindows/CVI R&D team is committed to reviewing every idea submitted via the LabWindows/CVI Idea Exchange. However, we cannot guarantee the implementation of any LabWindows/CVI Idea Exchange submission.

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Block Comments

Allow you to select multiple lines and then go to Edit>>Block Comment/Uncomment to be able to comment or uncomment multiple sections of code at once.

Jesse S.
Applications Engineer
National Instruments
Active Participant vix
Active Participant

You can do that with a workaround:

  1. select the lines and press CTRL+E (Edit >> Toggle Exclusion)
  2. select Edit >> Resolve all Excluded Lines
  3. press "Comment" (or "#if 0" if you like)
In claris non fit interpretatio

Using LV from 7
Using LW/CVI from 6.0
Trusted Enthusiast

I did discover this feature but still kudoed the idea because it would allow using a shortcut, i.e. one keystroke only

Active Participant
Status changed to: Under Consideration
Jonathan N.
National Instruments
Status changed to: In Development

Hi FoxSquirrel,


Thank you for your post. We are moving forward with development of this feature. It should be included in the next available release of LabWindows/CVI.




Collin Draughon

LabWindows/CVI Product Manager

National Instruments

Collin D.
Software Product Manager