Unknown Data Type When Calling a LabWindows™/CVI™ Module in TestStand

Updated Dec 12, 2017

Reported In

Software

  • TestStand
  • LabWindows/CVI Base
  • LabWindows/CVI Full
  • LabWindows/CVI 2009 Full
  • TestStand 4.2.1

Issue Details

I created a custom .dll in LabWindows™/CVI™, and I am trying to call it in TestStand. However the data type is showing:

__unknown_24



How can I fix this?

Solution

This issue can be cause by incorrectly returning a structure from LabWindows™/CVI™ to TestStand. Please refer to Passing a Struct from LabWindows™/CVI™ to TestStand to address this issue

 

Additional Information

You can also refer to the Container Passing to CVI.seq example found in the TestStand Public folder

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