Get User-Defined Refnum Information VI

Owning Palette: Data Type Parsing VIs

Requires: Base Development System

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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	variant specifies the variant data from which you want to retrieve data type information.
	error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
	class name returns the class name of the user-defined refnum stored in variant. For example, a DAQmx Task Name returns a class name of Task.
	type name returns the type of the user-defined refnum stored in variant. For example, a DAQmx Task Name returns a type name of NIDAQ.
	user data returns the internal information included with the user-defined refnum stored in variant.
	error out contains error information. This output provides standard error out functionality.