Build 1.01.318.0
[This is preliminary documentation and is subject to change.]
The MonitoredItem type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
 | MonitoredItem |
Initializes the object with its node type.
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Methods
| Name | Description | |
|---|---|---|
 | ApplyFilter |
Applies the filter to value to determine if the new value should be kept.
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| Equals(Object) | (Inherited from Object.) |
 | Equals(Object, Object, DeadbandType, Double, Double) |
Checks if the two values are equal.
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| ExceedsDeadband |
Returns true if the deadband was exceeded.
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| Finalize |
Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.
(Inherited from Object.) |
| GetCreateResult |
Returns the result after creating the monitor item.
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| GetHashCode |
Serves as a hash function for a particular type.
(Inherited from Object.) |
| GetModifyResult |
Returns the result after modifying the monitor item.
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| GetReadValueId |
Returns a description of the item being monitored.
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| GetType |
Gets the Type of the current instance.
(Inherited from Object.) |
| InitializeQueue |
Clears and re-initializes the queue if the monitoring parameters changed.
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| MemberwiseClone |
Creates a shallow copy of the current Object.
(Inherited from Object.) |
| ModifyAttributes |
Modifies the attributes for monitored item.
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| Publish(OperationContext, Queue<(Of <<'(EventFieldList>)>>)) |
Publishes all available event notifications.
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| Publish(OperationContext, Queue<(Of <<'(MonitoredItemNotification>)>>), Queue<(Of <<'(DiagnosticInfo>)>>)) |
Publishes all available data change notifications.
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| Publish(OperationContext, Queue<(Of <<'(MonitoredItemNotification>)>>), Queue<(Of <<'(DiagnosticInfo>)>>), DataValue, ServiceResult) |
Publishes a single data change notifications.
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| QueueEvent(IFilterTarget) |
Adds an event to the queue.
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| QueueEvent(IFilterTarget, Boolean) |
Adds an event to the queue.
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| QueueValue(DataValue, ServiceResult) |
Adds an event to the queue.
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| QueueValue(DataValue, ServiceResult, Boolean) |
Updates the queue with a data value or an error.
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| SamplingIntervalExpired |
Used to check whether the item is ready to sample.
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| SetMonitoringMode |
Changes the monitoring mode for the item.
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| SetSamplingError |
Sets an error that occured in the sampling group.
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| SetSamplingInterval |
Updates the sampling interval for an item.
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| SetSemanticsChanged |
Sets a flag indicating that the semantics for the monitored node have changed.
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| SetStructureChanged |
Sets a flag indicating that the structure of the monitored node has changed.
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| ToString | (Inherited from Object.) |
| ValueChanged |
Applies the filter to value to determine if the new value should be kept.
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Properties
| Name | Description | |
|---|---|---|
 | AlwaysReportUpdates |
Whether the monitored item should report a value without checking if it was changed.
|
| AttributeId |
The attribute being monitored.
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| DataChangeFilter |
The data change filter used by the monitored item.
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| DataEncoding |
The data encoding requested by the monitored item.
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| DiagnosticsMasks |
The diagnostics masks to use when collecting notifications for the item.
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| EventFilter |
The event filter used by the monitored item.
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| Filter |
The filter used by the monitored item.
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| Id |
The identifier for the item that is unique within the server.
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| IndexRange |
The index range requested by the monitored item.
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| IsReadyToPublish |
Returns true if the item is ready to publish.
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| ItemsInQueue |
Gets number of elements actually contained in value queue.
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| ManagerHandle |
The handle assigned by the node manager when it created the item.
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| MinimumSamplingInterval |
The minimum sampling interval for the item.
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| MonitoredItemType |
A bit mask that indicates what the monitored item is.
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| MonitoringAllEvents |
Whether the item is monitoring all events produced by the server.
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| MonitoringMode |
The current monitoring mode for the item
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| NodeId |
The node id being monitored.
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| NodeManager |
The node manager that created the item.
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| QueueSize |
The queue size for the item.
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| ReadyToPublish | Obsolete.
Whether the item has notifications that are ready to publish.
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| SamplingInterval |
The sampling interval for the item.
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| Session |
The session that owns the monitored item.
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| SubscriptionCallback |
The object to call when item is ready to publish.
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| SubscriptionId |
The identifier for the subscription that owns the monitored item.
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| TimeToNextSample |
The number of milliseconds until the next sample.
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See Also
