Three Ways to Find SubVI in a LabVIEW Project
If we change a subVI’s connector after used it a lot in a huge LabVIEW project, it’ll be a nightmare to open every VI in this project one by one and find the subVI in the diagram by hand. In fact, there are ways to find this subVI easily as following.
First, use menu View then select vi_Hierarchy, we can see VIs’ relationship, and which VI in this chart calls this subVI, and double click the corresponding VI to open the calling VI and edit it.
Second, maybe the easiest way to do it. If the connector of the subVI is different from previous. We just open the top-level VI. The top-level VI will show a broken run arrow. Just click the broken run arrow, it will popup a list of broken VIs. And this list is the subVI we want to find, just click the list items one by one to edit VIs.
Third, open top-level VI and open the subVI. Right click the subVI’s icon on the right-top of the subVI’s front panel or diagram window, and select Find All Instances. A window will pop up with the list of this subVI’s locations. We can click the items in this list to edit corresponding VIs.
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