How do I add highlight execution to a vi?

[calpe3003]

I want to debug a vi but it has no highlight execution..is this something I can add?

[altenbach]

Go to "VI properties...execution" and enable debugging. Should be enabled by default.

[F._Schubert]

Check VI properties->Execution. It might be that this vi is 'Subroutine' priority or it is reentrant.

Felix 

[calpe3003]

it is reentrant does this mean I cant debug?

[altenbach · Accepted solution]

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calpe3003 wrote:

it is reentrant does this mean I cant debug?

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Only if your LabVIEW version is prehistoric.

More recent LabVIEW version allow debugging of reentrant VIs. You'll get a "clone" for each instance. (see e.g. these instructions)