Information from LabVIEW to TestStand using a notifier TestStand and the SetEx method

Hi all

I'm trying to use the parameter dataPropObj of the SetEx method to send information of LabVIEW TestStand during setting of the notifier. The works of declarant perfectly by itself when I wire variant empty constant by default entry dataPropObj of the INotification invoke method node, but all that is wired in causes some kind of problem. I tried wiring a string (which, according to the description of SetEx, should work), as well as a string converted to a Variant. If the string is empty, no work. TestStand hangs at step waiting for this notification. Again, the notification works very well when I wire only a constant varying vacuum at the dataPropObj of entry.

All this is to work as part of a larger VI, but I extracted just this feature on its own sequence and vi, so there should not be other interfering factors I can think. If it makes a difference, the VI is called asynchonourly during the cleanup of the MainSequence group. I have to do this by calling a sous-suite as a new thread.

Any help is appreciated.

Thank you

You must use Engine.NewPropertyObject () to create the variable you pass to the dataPropObj parameter. For example, if you want to pass a string, you must do the equivalent of:

PropertyObject myPropObj = Engine.NewPropertyObject (PropValType_String, false, "", 0);

myPropObj.SetValString ("", 0, MyStringValue);

Hope this helps,

-Doug

Tags: NI Software

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