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By the way... You will find a lot of people willing to answer simple questiions (and I am among them). There is nothing wrong to ask. But you could spend months studying in this way.
_____________________________________ www.azinterface.net - Interface-based multiple inheritance for LabVIEW OOP
I see you are using LabVIEW 2011 version and in that you cannot do that. This option is available in LabVIEW 2012 onwards, So manually have to check the empty string (as I did) and use a build array function inside a case structure to get the similar functionality.
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The best solution is the one you find it by yourself