Pre-Build Action is not Changing LabVIEW VI

Updated May 8, 2020

Reported In


  • LabVIEW

Operating System

  • Windows

Issue Details

I want to modify some constant values in a VI named VI to I have implemented this block diagram following the template Pre-Build

The problem is that when I build the executable, no changes are performed in VI to Why is this happening?


This behavior is expected as in your code you are not opening  VI to To modify parts of the block diagram in a VI its required to use the invoke nodes: FP.Open and FP.Close as you can see in the following image:


Additional Information

The invoke methods FP.Open and FP.Close are used to open and close the front panel of a VI.