I know VI's are marked as "dirty" when you make changes to them. I also know some VI's are marked dirty event though you didn't actually change them, but made changes to subVI's that would force a recompile. I wonder is it worthwhile to know the distinction between the two types of modifications on the VI hierarchy. (i.e. VI's you actually modified vs. VI's that are marked as modified because underlying VI's forced changes up the ladder.)
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