NhlIsDataItem

The Fortran name of this function is NhlFIsDataItem.

This boolean function returns True if the given id identifies a DataItem class object, and False otherwise.

C Synopsis

#include </ncarg/hlu/DataItem.h>

NhlBoolean NhlIsDataItem(
	        int	id,
		)

Fortran Synopsis

      subroutine NhlFIsDataItem(id, istatus)
      integer id, istatus

Arguments

id (input): Specifies an integer id to an existing HLU object.
istatus (output, Fortran only): On output, the status of the object.

Description

You use this function to determine if the id you supply identifies a DataItem class object.

Return values

The NhlIsDataItem C function returns True if the id identifies a DataItem class object, and False otherwise; the NhlFIsDataItem Fortran subroutine returns the status in istatus.