Item, Newenum – Echelon OpenLNS User Manual
Page 586
OpenLNS Programmer's Reference
549
Item
Summary
collection. You can retrieve a
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
object in
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
object retrieved
from the collection.
collObject
to be acted on.
index
A Long type specifying the ordinal
object to
be retrieved.
stringExpression A string type specifying the name of the
object to be retrieved.
Data Type
Object.
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.
_NewEnum
Summary
Enables you to iterate over the objects in a collection using
For Each ... Next statements.
•
If you are developing your OpenLNS app in Visual C++,
you can browse a collection to find a particular item by
using the _NewEnum property. See the IEnumVARIANT
interface for details.
•
If you are developing your OpenLNS app in Visual Basic,
you do not need to use the _NewEnum property because
it is automatically used in the implementation of For
Each ... Next statements.
•
If you are developing your OpenLNS app in C#, you do
not need to use the _NewEnum property explicitly
because it is automatically used in the implemention of