How to Identify .Net Usage in a LabVIEW VI?

Updated Aug 4, 2026

Environment

Software

  • LabVIEW

This article explains how to identify where the .NET Framework is used in a LabVIEW VI. These methods can help you locate .NET Constructor Nodes and identify VIs that contain .NET properties.

Method 1: Search for .NET Constructor Nodes

Use the Find dialog to locate all .NET Constructor Nodes within the VI.

  1. Open the VI.
  2. Press Ctrl+F to open the Find dialog.
  3. Set Search for to Objects.
  4. Select .NET Constructor Node.
  5. Run the search.
  6. Review the search results to identify all locations where .NET objects are instantiated.
Method 2: Identify VIs That Use .NET Properties
  1. Use Nigel to locate VIs that contain .NET properties.
  2. Review the results to identify the VIs which use .NET properties.

Note: Nigel is supported in LabVIEW beginning with version 2025 Q3. 

After completing one of the two above listed methods, you can identify whether a LabVIEW VI uses .NET properties.

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