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How to use the web server tips (connected/disconnected)?

Using the web server tips into a VI to know when a client is connected or disconnected.

Hello Everyone
I want to use the tips that appear when a remote user gets control of my VI via web server. That way I will be able to trigger some other operations as soon as the user gets in or out my VI. How can I extract the information that contains that (user has or has not control). I hope you can help me.

Regards
Marco Roman
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There is a VI method called Remote Panel Client Connections. It returns an array of clusters with connection information and also has a Controller output. If the controller output is -1, no clients are connected.
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Thank you for your quick answer
That worked just perfect for me (^^,)
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