NhlIsApp

The Fortran name of this function is NhlFIsApp.

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

C Synopsis

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

NhlBoolean NhlIsApp(
	        int	id,
		)

Fortran Synopsis

      subroutine NhlFIsApp(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 an App class object.

Return values

The NhlIsApp C function returns True if the id identifies an App class object and False otherwise; the NhlFIsApp Fortran subroutine returns the boolean value in istatus.