Close VISA afer read property VISA?

I have a VISA of TCPIP in my application and I found that if I call 'Close function VISA' after reading the property of VISA, my application will generate some problems. Please see the attached picture.

Because it means that even if I do not open before VISA, I still need to close the VISA after I called the note of property?

A beautiful explicit VISA is optional for quite a few years. Any function VISA will lead a session is automatically created, so you should make a fence.

Tags: NI Software

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