labVIEW accidents while closing the VI

Hi all

I feel a labVIEW crash every time I close my VI after the execution of it. What made the VI, it communicates with an Opal kelly edge in the okFrontPanel.dll and reads data and displays in the front panel. The vi works fine and I get the results as well. But after discontinuation of the vi, when I try to fill the vi, labVIEW crashes.

All the world is facing such a question? I would be grateful if someone can help me solve this problem.

Thank you and best regards,
Nitz

(PS: I'm not able to download the code due to restrictions and also it's a code long enough to create a vi sample to reproduce the scenario)

An accident is usually an indication that something inside the DLL is in contact with an area of memory which should not be in contact with. The fact that the VI works well is incidental. It seems that in this case the DLL touches something that is only affected when LV needs him during the closing of the VI. I think that the only thing you can do about it on the side BT is to ensure that you allocate big enough buffers for variable-length parameters used by the DLL. I guess you do not have access to the source code of the DLL?

Tags: NI Software

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