What screws do not have functional schema?

Hi, I am a student at CLAD and theres a question in the details of the all CLAD subjects what VI have no diagram? I read in help this polymorphic VIs Don t have diagram block or façade (Labview help / create Sub_VIs). However, I see that if I double click in a polymorphic VI, for example, reading Key.vi or DAQmx Timing.vi they face before, moreover, they have a block diagram, so miss me this topic...

I also know that express VI have no block diagram or the façade, them have a configuration window. If I select open option of the façade, the VI express changes to Sub - VI and I have access to front panel or block diagram. So I think that express screws are the screws that have no block diagram. Am I wrong?

Anyway, it is a doc or a paper that give me information about this?

Thanks for the responses...

Polymorphic screws are a single VI who call a collection of other voluntary initiatives. Called on the screws have a BD, but the polymorphic VI himself does not.

Screw global variable is not a comic book.

Screw Express dynamically generated code that calls a Subvi, which does all the work. I don't think that it is created as a VI you can actually use until you choose to open his FP, but I don't know the details.

The controls do not have a BD.

Screw with the deleted chart is not a comic book.

There may be others, but I don't see any at present. Overall, I can't say that I really see the value of that question.

Tags: NI Software

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