Count, Item – Echelon OpenLNS User Manual
Page 175
OpenLNS Programmer's Reference
138
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.
Comments
This property allows the object type to be determined when it
is unknown (for example, when the object was accessed using
the Parent property of another object).
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 an object from a collection. You can retrieve an
object from its 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 an
object in collections that contain objects 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 object retrieved from the collection.
collObject
The collection object to be acted on.
index
A Long type specifying the ordinal
index of the object to retrieve.
stringExpression A string type specifying the name of the
object to retrieve.