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Macro VIs

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The facts: if you rename a VI extension to "vim" and put it in a block diagram, this subVI acquires some kind of input/output polymorphism (it adapts to any input you connect, and propagates the data type through the VI). Maybe it has some other special behaviour, I don't know.

Internally, it seems the VIM files call a External Node placed in the <LVdir>/resource/Macro.llb/;DMacroizer (without extension). Unfortunately, this External Node and its subVIs are password-protected :(.

Do we have more info about this kind of VI?



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