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LabWindows™/CVI Live Communication With LabVIEW VI Using ActiveX

by: Member
‎05-19-2025 11:50 AM

Products and Environment

This section reflects the products and operating system used to create the example.

To download NI software, including the products shown below, visit ni.com/downloads.

    Operating System

  • Windows

Code and Documents

Attachment

Description

This example demonstrates how to communicate with LabVIEW from LabWindows™/CVI locally using ActiveX, and keeping a live communication between some controls and indicators. This is based on the lvdemo.cws project that ships with LabWindows™/CVI.

This can be helpful if you want to see asynchronous changes in your UI as LabVIEW executes other operations.

 

CVI-LV.gif

How to Use

This example can be directly loaded and run in LabWindows™/CVI to see the behavior and get a good first impression of what it does. Additionally:

  • The LabWindows™/CVI project can be found under the cvi-labview subdirectory.
  • The LabVIEW project can be found under cvi-labview\LabVIEW-project.
  • The LabVIEW lvlib file with the main and related VIs is also stored under cvi-labview\LabVIEWVIs, just to ease version conversion if you want to take it to an older version (currently saved in 2020).

Example code from the Example Code Exchange in the NI Community is licensed with the MIT license.

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