Get User-Defined Refnum Information function
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The Get User-Defined Refnum Information function retrieves user-defined refnum information from the data type stored in Variant. This VI returns an error if Variant does not contain a user-defined refnum.
A user-defined refnum is a data type for system resources. One example of a user-defined refnum is a DAQmx Task Name.
Note: The user-defined refnum data type is installed with some add-ons, such as NI-DAQmx.
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