Echelon OpenLNS - Manual (Page 660)

OpenLNS Programmer's Reference 623
acted upon was obtained from a
LonMarkObject ; otherwise, it is
ignored.
Added to API LNS Release 3.20.
ItemByIndex
Summary Retrieves a NetworkVariable object from a NetworkVariables
collection. The object to be retrieved must be specified by its
index value.
This property is only supported by NetworkVariables
collections that belong to Interface or LonMarkObject objects.
If this method is invoked on a different type of network
variable collection (one accessed through the NVHubs or
NVTargets property), an invalid type exception (LCA #2) is
raised. If this exception is encountered, it indicates that the
specified collection does not support the ItemByIndex method.
You can use this method when working with a dynamic
network variable, which has an OLE collection index and
name that may change because of the addition or removal of
other dynamic network variables within its collection.
Availability Local, full, and lightweight clients.
Syntax itemObject = itemsColl. ItemByIndex index
Element Description
itemObject The NetworkVariable object retrieved
from the collection.
itemsColl The NetworkVariables collection to be
acted on.
index An Integer value specifying the Index
property of the NetworkVariable object
to be retrieved.
Added to API LNS Release 3.0.
ItemByProgrammaticName
Summary Retrieves a NetworkVariable object from a NetworkVariables
collection by its programmatic name.
You can determine the programmatic name of a
NetworkVariable object by reading its ProgrammaticName
property. Alternatively, you can retrieve a NetworkVariable
object from this collection by their user names using the Item
property.
Availability Local, full, and lightweight clients.