![labview feedback node labview feedback node](https://i.ytimg.com/vi/So-M6Z0A0ug/hqdefault.jpg)
LV.Dialog application context (bottom left corner). And the behavior is different - even though I am using reference to the file from hardcoded path to the blank VI.Īfter choosing VI from the tool bar, it opens test.vi which is being opened in NI. I put the VI to the C:\Program Files\National Instruments\LabVIEW 2018\project, restarted labview and opened it from the Tools menu.
![labview feedback node labview feedback node](http://slideplayer.com/slide/8495589/26/images/33/Notes+-+LabVIEW+When+setting+up+a+feedback+node%2C+you+need+to+wire+in+a+constant+from+outside+the+loop+for+initialization..jpg)
Problems appears when I want to invoke this functionality from the Tools menu. I can also use invoke node to use fp.center method as well. To focus on the problem only lets consider a following simple VI:Īssuming that I have a sample test2.vi in the temp dir, I can use attached code to modify position of the FP. I am creating an utility in LV2018 to launch from the Tools menu, which will be able of centering FP window on the main screen and I encountered a problem.
LABVIEW FEEDBACK NODE UPDATE
I'm not sure if it's the issue of the newer version or an update from Windows, and I'd be surprised if this is an issue of the location of the dll since this VI has worked previously. I am using NI Labview 2017 (32-bit), updated a few months ago, and I don't remember if this VI worked on this version, though I know it has worked from the previous year version of Labview. I have already tried to run Labview and MultiVu (the program for the PPMS) as administrator. SetTemperature, (System.ArgumentNullException: Key cannot be null. It has previously worked but now I get an error 1172: Invoke Node Error calling method QuantumDesign.QDInstrument. ) through QDInstrument.dll (also from Quantum Design). I have a Labview program that is meant to set the temperature of the PPMS ( Physical Property Measurement System from Quantum Design Inc.