Owner manual

OpenLNS Programmer's Reference 469
clients.
Syntax
monSetObject.Open doEnable, doPoll
Element
Description
monSetObject
The MonitorSet object to be closed.
doEnable
A Boolean value.
TRUE. Automatically invokes the
Enable method on the monitor
set as it is opened.
This enables monitoring on all
of the network variable and
message monitor points in the
monitor set that have not been
explicitly disabled with the
Disable method.
If you set the doEnable
element to True when you
invoke this method, the client
application will be notified of
the enabling of each monitor
point in the set via the Object
Server's
OnNvMonitorPointEvent and
OnMsgMonitorPointEvent
events. This applies to both
temporary and permanent
monitor sets
FALSE. If this element was set to
False, you can enable
monitoring with the Enable
method after opening a
monitor set.
You can use the Disable
method to turn off monitoring.
doPoll
A Boolean value. If the doEnable
property is set to False, this value is
ignored.
TRUE. Use polled monitoring to
monitor the monitor points in
the monitor set.
You can set the rate at which
the monitor points in the set
will be polled by writing to the
PollInterval property of the
NvMonitorOptions object
accessed through the monitor
set’s NvOptions property.
FALSE. Use bound monitoring to