If you update a graph on the main vi in a subvi by wiring a reference, the graph on the main vi lags behind one reading

[Ben]

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@Sarci1 wrote:

Hi SegmentationFault,

I looked into this issue a bit further and compared it to the response of an XY graph and you are correct the behavior is faulty.  I am going to file a Corrective Action Request on this issue.  For now, however, I would suggest using the workaround of output the last data set from your subVI to your main VI.

Thanks!

Lynn

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Could you please post the CAR once filled.

Ben

[Sarci1]

The CAR for this issue is #278933.  Thank you for bringing it to our attention.

[SegmentationFault]

Oh, so it was a bug within labview? Well that was a bit unexpected. Is there a way to know when this is resolved/receive the fix? 

[Sarci1]

Hi SegmentationFault,

Unfortunately there is no way to know when a CAR will be fixed.  However, you can review the Release Notes for each version of LabVIEW.  If the CAR has been fixed that number will appear within.  For now, I would suggest using the workaround provided which outputs the last data set from the subVI to the main VI. 

[Ben]

In my case I worked around it by placing case structure after my event that is executed after teh event but only if there was a change.

I sorta thought it was working like the Image control that does not update when I expect.

Ben