Echelon OpenLNS - Manual (Page 410)

OpenLNS Programmer's Reference 373
• Version
Methods
The Interface object contains the following methods :
• AddCompatibleNv
• AddCompatibleNvEx
• AddComplementaryNv
• AddComplementaryNvEx
• AddNvFromString
• CreateTypeSpec
• DownloadConfigProperties
• RemoveNv
• UploadConfigProperties
AddCompatibleNv
Summary Creates a NetworkVariable object that is compatible with a
specified source network variable, and adds the new network
variable to the specified Interface object .
This method should only be called on a custom Interface
object that is contained by a device that supports dynamic
network variables.
Availability Local, full, and lightweight clients.
Syntax nvObject = interfaceObject.AddCompatibleNv(nvName,
sourceNvObj)
Element Description
nvObject The compatible network variable to be
returned.
A compatible network variable is one
that is of the same type and direction
as the source network variable. This
method is used to construct an
interface object for a host application.
interfaceObject The Interface object to be acted on.
nvName A String containing the name of the
added network variable.
The name specified in this parameter
can be a maximum of 16 characters,
and it must not start with a number.
In addition, it cannot include square
brackets ([]), commas (,), or periods (.).
Once the NetworkVariable object has
been created, it may be renamed
subject to the restrictions of the Name
property.
The name specified in this method
may subsequently be retrieved using