LabVIEW UI Freezes When Using SMTP Send VI

Updated Aug 21, 2018

Reported In

Software

  • LabVIEW 2017

Operating System

  • Windows

Issue Details

My LabVIEW UI freezes when I try to send emails from LabVIEW using the SMTP Send VI. After the email has been sent, the UI is updated again without freezing. Why does this happen?
 

Solution

When sending an email from LabVIEW the corresponding VI is executed in the so-called UI Thread. Among other purposes, the UI Thread is responsible for updating the LabVIEW UI. During the sending of an email all other UI actions are paused until the email has been sent.
To overcome this issue you can use following alternatives:

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