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Dragging over a Subdiagram Label breaks drag-and-drop from Project Explorer

This bug has proven to be perfectly repeatable on my system. I'm using the LabVIEW Core 3 Course Project to reproduce:

1. Open the block diagram of a VI with while loop or case structure whose Subdiagram Label is visible.

2. Drag a VI or control from the project explorer onto the block diagram.

3. Drag the VI over a Subdiagram Label, then away from it.

RESULT: Object is ready to be dropped until you drag over a Subdiagram Label; after this the object cannot be placed, as though it is always in an invalid location. See attached pictures.


I'm using LV 13.0f2

Ryan R.
Message 1 of 5

Very repeatable.  Has this been reported?


Kelly Bersch
Certified LabVIEW Developer
Kudos are always welcome
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Message 2 of 5
I've seen this too in that exact same project!

I will investigate and follow up on this post.
Craig H. | CLA CTA CLED | Applications Engineer | NI
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Message 3 of 5

Thank you, Craig! In the meantime I will practice my flanking drag-n-drop programming strafes on block diagrams protected by bulwarks of Subdiagram Labels!

Ryan R.
Message 4 of 5

Sorry for the delay, I was out teaching for a while.


I have filed CAR 449383 documenting this issue.



Craig H. | CLA CTA CLED | Applications Engineer | NI
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Message 5 of 5