I initiate another executable function from within my LabView code. I'd like to check if the other function is running before I make the call. Only one copy of the other executable can run at one time, and my operator may have already started it before using the LabView code. Thanks

A slightly easier way is to use use system exec to execute the tasklist command. Parsing this commands output will be easier than writing a bunch of code to use the Windows APIs. Running tasklist /NH /FI "IMAGENAME eq tasklist.exe" produces the output below. tasklist.exe 1796 Console 1 5,916 K If the exe is not running, it will output this. INFO: No tasks are running which match the specified criteria. Now all you have to do is some string parsing.

LabVIEW

How to determine if external exe is running before calling "System Exec.vi"

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Note that the tasklist output will crop long executable names. In this case use "tasklist /fo csv".

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How to determine if external exe is running before calling "System Exec.vi"

Re: How to determine if external exe is running before calling "System Exec.vi"