Enqueuer Not A Refnum (G Dataflow)

Verifies whether a Message enqueuer reference is equal to Not a Refnum. Unlike the Not a Number/Path/Refnum? function, this function does not check whether a non-zero reference still is valid.

• Inputs/Outputs
• Compatibility

message enqueuer

Message enqueuer to check.

not a refnum?

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

True	message enqueuer is equal to Not a Refnum. Do not attempt to use this reference to send a Message.
False	message enqueuer is not equal to Not a Refnum. This includes when message enqueuer 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