Echelon OpenLNS - Manual (Page 748)

OpenLNS Programmer's Reference 711
TargetDeviceHandle The Handle of the AppDevice object
whose connection changed.
Version The version of the device's
connection information. This is
incremented by 1 whenever the
device is added to or removed from a
connection.
ObjectChangeType Indicates how the connection was
modified.
The values that can be returned in
this element, which are stored in the
ConstNodeConnChangeTypes
constant, are as follows:
0 lcaConnectionTargetAdded
A new target has been added to the
connection’s hub NetworkVariable
or MessageTag.
This value maps to the
lcaObjectCreate (0) value of the
ConstObjectChangeTypes constant,
which pre-LNS 3.20 applications
used for the
OnNodeConnChangeEvent event.
1
lcaConnectionTargetRemoved
A target has been removed from the
connection’s hub NetworkVariable
or MessageTag.
This value maps to the
lcaObjectDelete (1) value of the
ConstObjectChangeTypes constant,
which pre-LNS 3.20 applications
used for the
OnNodeConnChangeEvent event.
2 lcaConnectionDescChanged
The ConnectDescTemplate used by
the connection’s hub
NetworkVariable or MessageTag
was modified.
TargetNvMtIndex The Index of the MessageTag or
NetworkVariable object that was
added to or removed from a
connection, or the index of the
connection hub whose
DeviceTemplate was modified.
HubDeviceHandle The Handle property of the
connection's hub NetworkVariable