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Ok, I will try that out tonight and reply tomorrow if it worked out. Whats bugging me is the while loop. The VIs that I design all run onto a C++ Skript (build in as a subVI) that is taking care of the data I/O. I hope the loop will not bug the C skript.... Thanks a lot so far!!

Thank you for the fast answers. Sorry about the cross postings, will not happen again. Ok, I tried a few things: - configuration of VI property. Dont really help, either (Sub)VI will be loaded/run on startup or the user has to click it in the Backpanel to have the VI popup. But how can I call it dynamically from the Frontpanel? - Open VI reference. Still working on this one. Seems that it needs the VI server. That would be a restriction. I need to call the VIs one by one without the VI server. All VIs are located on one computer. My "Menu VI" handles all other VIs, I want to select any VI in the frontpanel and call it (action Button?). - Examples like "Menu selection Demo" was my first attempt, but they are too komplex, I think. I am looking for something like "Run URL on Button action (frontpanel) >> execute item, Path://*stringvariable*" Is it so obvious or do I think too Actionscriptish???

Hi Everybody, I am new to labviews so to this forum. Here we go, I am building a group of about 20 VIs, all differ from each other, no SubVIs. The customer`s wish is to trigger every single VI seperatly with a button from a "Menu VI". So the startup VI is only a "Menu", and to save hardware and network resources, only the "triggered" VIs should open and run. What I tried so far: I placed a VI in the Backpanel of the "Menu VI", pressing it calls the VI, ok.. cool. But its invisible on the Frontpanel and it is treated as a SubVi. My Qestion, how can I place a button (or similar) on the frontpanel to call and execute another (standalone) VI? thx in advance keb

Hi Everybody, I am new to labviews so to this forum. Here we go, I am building a group of about 20 VIs, all differ from each other, no SubVIs. The customer`s wish is to trigger every single VI seperatly with a button from a "Menu VI". So the startup VI is only a "Menu", and to save hardware and network resources, only the "triggered" VIs should open and run. What I tried so far: I placed a VI in the Backpanel of the "Menu VI", pressing it calls the VI, ok.. cool. But its invisible on the Frontpanel and it is treated as a SubVi. My Qestion, how can I place a button (or similar) on the frontpanel to call and execute another (standalone) VI? thx in advance keb

Hi Everybody, I am new to labviews so to this forum. Here we go, I am building a group of about 20 VIs, all differ from each other, no SubVIs. The customer`s wish is to trigger every single VI seperatly with a button from a "Menu VI". So the startup VI is only a "Menu", and to save hardware and network resources, only the "triggered" VIs should open and run. What I tried so far: I placed a VI in the Backpanel of the "Menu VI", pressing it calls the VI, ok.. cool. But its invisible on the Frontpanel and it is treated as a SubVi. My Qestion, how can I place a button (or similar) on the frontpanel to call and execute another (standalone) VI? thx in advance keb