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Count, Item – Echelon OpenLNS User Manual

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OpenLNS Programmer's Reference

571

added to the API.

Count

Summary

Returns the number of objects in a collection. You can use

this property to enumerate a collection object.

Availability

Local, full, lightweight, and independent clients. Note that

some collection objects are not available to Independent

clients.

Syntax

returnValue = object.Count

Element

Description

returnValue

The number of objects in the collection

as a long integer.

object

The collection object to be acted on.

Data Type

Long.

Read/Write

Read only.

Added to API

Depends on the object used to access the property. Generally,

this property exists for an object as soon as the object is

added to the API.

Item

Summary

Returns a

NetworkServiceDevice

object from a

NetworkServiceDevices

collection.

You can retrieve a

NetworkServiceDevice

object from its

NetworkServiceDevices

collection by passing its index

(ordinal position) within that collection as the argument for

the Item property. Index values start at 1.
You can also retrieve a

NetworkServiceDevice

object in

NetworkServiceDevices

collections with the Name property by

passing the object’s name as a string expression.

Availability

Local, full, lightweight, and independent clients. Note that

some objects containing this property are not available to

Independent clients.

Syntax

retrievedObject = collObject.Item(index)

retrievedObject = collObject.Item(stringExpression)

Element

Description

retrievedObject

The

NetworkServiceDevice

object

retrieved from the collection.

collObject

The

NetworkServiceDevices

collection

object to be acted on.

index

A Long type specifying the ordinal

index of the

NetworkServiceDevice

object to be retrieved.