Filterbysource, Filtercode – Echelon OpenLNS User Manual
Page 523
OpenLNS Programmer's Reference
486
FilterBySource
Summary
Indicates whether message tag values will be filtered by the
source device
.
This property can be combined with the FilterByCode
property to allow only message tags with certain codes from
certain sources to be passed to your client application via a
MsgMonitorPoint object.
Availability
Local, full, lightweight, and independent clients. Note that
objects and temporary monitor points
are not available on Independent clients.
Syntax
filterBySource =msgMonOpts.FilterBySource
Element
Description
filterBySource A Boolean value.
TRUE.
Message tag values are filtered
by the target
that was specified when the
monitored message tag point
was created (using the Add
method)
.
FALSE.
The message tag source is
ignored
.
msgMonOpts
Data Type
Boolean.
Read/Write
Read/write.
Added to API
LNS Release 3.0.
FilterCode
Summary
Contains the filter code that will be used if the
property is set to True
.
Each explicit message contains a 1-byte message code along
with the message data. If the FilterByCode property is set to
True and this property is set, only messages with a message
code matching the value of this property will be passed to the
client via the MsgMonitorPoint objects using this
MsgMonitorOptions obect.
Availability
Local, full, lightweight, and independent clients. Note that
objects and temporary monitor points
are not available on Independent clients.
Syntax
filterCode =msgMonOpts.FilterCode
Element
Description
filterCode
The filter code.
This element may be set to a value
between 0–255; however, messages with