Message Handling Loop is not Being Executed in LabVIEW

Updated Mar 8, 2018

Reported In

Software

  • LabVIEW

Issue Details

I am using a Que message handler and one event handling loop to generate different messages to different message handling loops. I am using 7 message handling loops generated by the same event handling loop and one of the loops is not being entered.

Solution

Check to make sure that all of the inputs to the while loops are available. You can do this by using highlight execution. 

 

Additional Information

A while loop won't start running until all of its inputs are available. If one of the inputs is the output of another while loop that has not completed then the while loop won't run. One alternative to wiring between loops is using local variables.
 

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