Not A Config Data Refnum VI

Owning Palette: Configuration File VIs

Requires: Base Development System

Determines whether a configuration data refnum is valid.

This VI considers a configuration data refnum to be invalid if you do not open the reference with the Open Config Data VI, the file referenced does not exist, or the reference is already closed when passed to this VI.

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	refnum is the reference number of the configuration data.
	not a config data refnum is TRUE if refnum is not a valid configuration data refnum.