Environment programs began within a module of code Teststand, CVI

What environment is seen by an executable file, which is started by LaunchexecutableEx() in a module of Labwindows/CVI code using Labwindows adapter in Teststand? Is is possible to change this environment?

We noticed that an executable file, which creates directories for files logging and configuration in its installation directory data, which autonomous road, now creates these directories somewhere under C:\Dokumente und 4.2.1\ Instruments\TestStand Users\Dokumente\National All Anwendungsdaten launched from the CVI code module.

The executable you are using is probably the addition of things based on the current working directory. It is not a best practice. If you have the source code for the executable, you should consider changing to use GetModuleFileName ( http://msdn.microsoft.com/en-us/library/ms683197%28v=vs.85%29.aspx ), passing NULL for the handle of the module to get the path where the executable file is located and use this path rather than the current working directory. I would say that using the working directory current is almost never the correct thing for a program to do it.

That said, if do not have the code for the executable file and is enough to make it work, you can use the Windows SDK CreateProcess ( http://msdn.microsoft.com/en-us/library/ms682425%28VS.85%29.aspx ) function that allows you to specify a currentdirectory (I don't think that the environment is the problem in your case, I think that it is the current directory). Or you can use the type of executable step TestStand call place that has a setting for the current directory (I think they call it the Working Directory).

Hope this helps,

-Doug

Tags: NI Software

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