Count, Item – Echelon OpenLNS User Manual

Page 697

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OpenLNS Programmer's Reference

660

NvMonitorPoints

object in the

ConstClassIds

constant:

81 lcaClassIdNvMonitorPoints

object

The object to be acted on.

Data Type

Integer.

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.

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

NvMonitorPoint

object from a

NvMonitorPoints

collection. You can retrieve a

NvMonitorPoint

object from its

NvMonitorPoints

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

NvMonitorPoint

object in

NvMonitorPoints

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

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