OpcMonitoredItem Members

Gets a value indicating which OpcAttribute is monitored.

C#

public OpcAttribute Attribute { get; }

Property Value

OpcAttribute

One of the members defined by the OpcAttribute enumeration.

Gets the filter used to restrict the information observed and published to the client which owns the Session.

C#

public OpcMonitoringFilter Filter { get; }

Property Value

OpcMonitoringFilter

An instance of the OpcMonitoringFilter class which can also be a OpcDataChangeFilter in case of data changes are monitored or a OpcEventFilter in case of event notifications are monitored by the item.

Gets a value indicating whether the Attribute of the node identified by NodeId is being observed.

C#

public bool IsMonitoringEnabled { get; }

Property Value

Boolean

The value true if the item is currenly being monitored; otherwise the value false.

Gets a value which specifies how the monitoring of the Attribute of the node identified by NodeId is observed.

C#

public OpcMonitoringMode Mode { get; }

Property Value

OpcMonitoringMode

One of the members defined by the OpcMonitoringMode enumeration.

Gets the node identifier of the IOpcNode being monitored.

C#

public OpcNodeId NodeId { get; }

Property Value

OpcNodeId

An instance of the OpcNodeId class.

Gets the upper limit of the queue used to store observation results.

C#

public long QueueSize { get; }

Property Value

Int64

The upper limit of the queue used. In case there the queue reaches the size used, it will discard the oldest entry before a new one is enqueued.

Gets a value indicating the interval used to sample the value of the attribute of the node in milliseconds.

C#

public double SamplingInterval { get; }

Property Value

Double

The milliseconds used as the interval used for observation.

Gets the session which owns this OpcMonitoredItem.

C#

public OpcSession Session { get; }

Property Value

OpcSession

An instance of the OpcSession class which owns this monitored item.

Converts a OpcMonitoredItem to an Server.MonitoredItem object.

C#

[CLSCompliant(false)]
public static explicit operator MonitoredItem(OpcMonitoredItem value)

Converts a Server.MonitoredItem to an OpcMonitoredItem object.

C#

[CLSCompliant(false)]
public static implicit operator OpcMonitoredItem(MonitoredItem value)