How can I programically make a top level VI panel invisible?

You can use VI Server's 'Close FP' method to close the front-panel. You will need a reference to that VI to invoke the method. One easy way is to launch the VI with the VI Server and hold on to its reference.
See the attached diagram -- the top-level.vi is launched and run, we wait for 5 seconds, and then close its front-panel.
Hope this gives you some ideas.
Khalid
Attachments:
close_fp.png ‏38 KB

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