subVIs within subVis ...

[jmpugh]

Hello I have for once, I believe, a basic and simple question and I seek out the all-knowing LabVIEW community once again for an answer!

If my main VI runs a non-reentrant subVI (just for fun we'll call it 'Biff') and all Biff does is run a subVI within itself (we'll call this one 'Joe'), can the main VI call Biff again or does it have to wait for Joe to finish running?

I know if the main VI runs a subVI, the main VI cannot run that subVI anywhere else until the first call to it is complete. I'm just curious what happens when a subVI runs a subVI.  When a subVI runs a subVI, the first subVI doesn't stop running until it's subVI is complete, correct? I think that is how it works but I want to make certain.

Thanks guys!

-- Jase

[JB]

Yes, you are correct : a VI will not complete until its subVIs are finished.
This is also true for the subVIs and their own subVIs... and therefore a VI will only complete when all of its subVIs - of all levels of the hierarchy - are finished.