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Dequeuer Not A Refnum (G Dataflow)

    Last Modified: April 27, 2020

    Verifies whether a Message dequeuer reference is equal to Not a Refnum.


    message dequeuer

    Message dequeuer to check.


    not a refnum?

    Boolean value that represents whether message dequeuer is equal to Not a Refnum.

    True message dequeuer is equal to Not a Refnum. Do not attempt to use this reference to send a Message.
    False message dequeuer is not equal to Not a Refnum. This includes when message dequeuer is a non-zero refnum that has been released already. Send the Message and check for an error on that operation.

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported

    Web Server: Not supported in VIs that run in a web application

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