The following tables list the members exposed by BaseDataVariableState.
Public Constructors
| Name | Description | |
|---|---|---|
 | BaseDataVariableState Constructor | Initializes the instance with its defalt attribute values. |
Public Fields
| Name | Description | |
|---|---|---|
 | OnConditionRefresh | Called when ClearChangeMasks is called and the ChangeMask is not None. (Inherited from Opc.Ua.NodeState) |
| OnCreateBrowser | Called after the CreateBrowser method is called. (Inherited from Opc.Ua.NodeState) |
| OnPopulateBrowser | Called after the PopulateBrowser method is called. (Inherited from Opc.Ua.NodeState) |
| OnReadAccessLevel | Raised when the AccessLevel attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadArrayDimensions | Raised when the ArrayDimensions attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadBrowseName | Called when the BrowseName attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReadDataType | Raised when the DataType attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadDescription | Called when the Description attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReadDisplayName | Called when the DisplayName attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReadHistorizing | Raised when the Historizing attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadMinimumSamplingInterval | Raised when the MinimumSamplingInterval attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadNodeClass | Called when the NodeClass attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReadNodeId | Called when the NodeId attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReadUserAccessLevel | Raised when the UserAccessLevel attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadUserWriteMask | Called when the UserWriteMask attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReadValue | Raised when the Value attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadValueRank | Raised when the ValueRank attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnReadWriteMask | Called when the WriteMask attribute is read. (Inherited from Opc.Ua.NodeState) |
| OnReportEvent | Called when a node produces an event that needs to be reported. (Inherited from Opc.Ua.NodeState) |
| OnSimpleReadValue | Raised when the Value attribute is read. (Inherited from Opc.Ua.BaseVariableState) |
| OnSimpleWriteValue | Raised when the Value attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnStateChanged | Called when ClearChangeMasks is called and the ChangeMask is not None. (Inherited from Opc.Ua.NodeState) |
| OnValidate | Called when the Validate method is called (Inherited from Opc.Ua.NodeState) |
| OnWriteAccessLevel | Raised when the AccessLevel attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteArrayDimensions | Raised when the ArrayDimensions attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteBrowseName | Called when the BrowseName attribute is written. (Inherited from Opc.Ua.NodeState) |
| OnWriteDataType | Raised when the DataType attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteDescription | Called when the Description attribute is written. (Inherited from Opc.Ua.NodeState) |
| OnWriteDisplayName | Called when the DisplayName attribute is written. (Inherited from Opc.Ua.NodeState) |
| OnWriteHistorizing | Raised when the Historizing attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteMinimumSamplingInterval | Raised when the MinimumSamplingInterval attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteNodeClass | Called when the NodeClass attribute is written. (Inherited from Opc.Ua.NodeState) |
| OnWriteNodeId | Called when the NodeId attribute is written. (Inherited from Opc.Ua.NodeState) |
| OnWriteUserAccessLevel | Raised when the UserAccessLevel attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteUserWriteMask | Called when the UserWriteMask attribute is written. (Inherited from Opc.Ua.NodeState) |
| OnWriteValue | Raised when the Value attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteValueRank | Raised when the ValueRank attribute is written. (Inherited from Opc.Ua.BaseVariableState) |
| OnWriteWriteMask | Called when the WriteMask attribute is written. (Inherited from Opc.Ua.NodeState) |
Public Properties
| Name | Description | |
|---|---|---|
 | AccessLevel | The type of access available for the variable. (Inherited from Opc.Ua.BaseVariableState) |
| AreEventsMonitored | True if events produced by the instance are being monitored. (Inherited from Opc.Ua.NodeState) |
| ArrayDimensions | The number of dimensions for an array values with one or more fixed dimensions. (Inherited from Opc.Ua.BaseVariableState) |
| BrowseName | The browse name of the node. (Inherited from Opc.Ua.NodeState) |
| ChangeMasks | What has changed in the node since NodeState.ClearChangeMasks was last called. (Inherited from Opc.Ua.NodeState) |
| CopyPolicy | The behavoir to use when reading or writing all or part of the object. (Inherited from Opc.Ua.BaseVariableState) |
| DataType | The data type for the variable value. (Inherited from Opc.Ua.BaseVariableState) |
| Description | The localized description for the node. (Inherited from Opc.Ua.NodeState) |
| DisplayName | The display name for the node. (Inherited from Opc.Ua.NodeState) |
| EnumStrings | The strings that describe the values for an enumeration. |
| Handle | An arbitrary handle associated with the node. (Inherited from Opc.Ua.NodeState) |
| Historizing | Whether the server is archiving the value of the variable. (Inherited from Opc.Ua.BaseVariableState) |
| Initialized | True if the node and its children have been initialized. (Inherited from Opc.Ua.NodeState) |
| IsValueType | Whether the value can be set to null. (Inherited from Opc.Ua.BaseVariableState) |
| MinimumSamplingInterval | The minimum sampling interval supported by the variable. (Inherited from Opc.Ua.BaseVariableState) |
| ModellingRuleId | The modelling rule assigned to the instance. (Inherited from Opc.Ua.BaseInstanceState) |
| NodeClass | The class for the node. (Inherited from Opc.Ua.NodeState) |
| NodeId | The identifier for the node. (Inherited from Opc.Ua.NodeState) |
| NumericId | A numeric identifier for the instance that is unique within the parent. (Inherited from Opc.Ua.BaseInstanceState) |
| Parent | The parent node. (Inherited from Opc.Ua.BaseInstanceState) |
| ReferenceTypeId | The type of reference from the parent node to the instance. (Inherited from Opc.Ua.BaseInstanceState) |
| StatusCode | The status code associated with the variable value. (Inherited from Opc.Ua.BaseVariableState) |
| SymbolicName | A symbolic name for the node that is not expected to be globally unique. (Inherited from Opc.Ua.NodeState) |
| Timestamp | The timestamp associated with the variable value. (Inherited from Opc.Ua.BaseVariableState) |
| TypeDefinitionId | The identifier for the type definition node. (Inherited from Opc.Ua.BaseInstanceState) |
| UserAccessLevel | The type of access granted to the current user. (Inherited from Opc.Ua.BaseVariableState) |
| UserWriteMask | Specifies which attributes are writeable for the current user. (Inherited from Opc.Ua.NodeState) |
| ValidationRequired | True if the node must be validated with the underlying system before use. (Inherited from Opc.Ua.NodeState) |
| Value | The value of the variable. (Inherited from Opc.Ua.BaseVariableState) |
| ValueRank | The number of array dimensions permitted for the variable value. (Inherited from Opc.Ua.BaseVariableState) |
| WrappedValue | The value of the variable as a Variant. (Inherited from Opc.Ua.BaseVariableState) |
| WriteMask | Specifies which attributes are writeable. (Inherited from Opc.Ua.NodeState) |
Public Methods
| Name | Description | |
|---|---|---|
 | AddChild | Adds a child to the node. (Inherited from Opc.Ua.NodeState) |
| AddNotifier | Adds a notifier relationship to the node. (Inherited from Opc.Ua.NodeState) |
| AddProperty<T> | Creates a property and adds it to the node. (Inherited from Opc.Ua.NodeState) |
| AddReference | Adds a reference. (Inherited from Opc.Ua.NodeState) |
| AddReferences | Adds a list of references (ignores duplicates). (Inherited from Opc.Ua.NodeState) |
| AssignNodeIds | Recursively assigns NodeIds to the node and its children. (Inherited from Opc.Ua.NodeState) |
| ClearChangeMasks | Clears the change masks. (Inherited from Opc.Ua.NodeState) |
| Clone | Makes a copy of the node and all children. (Inherited from Opc.Ua.NodeState) |
| ConditionRefresh | Returns the last event produced for any conditions belonging to the node or its chilren. (Inherited from Opc.Ua.NodeState) |
 | Construct | Constructs an instance of a node. |
| Create | Overloaded. Creates a node with default values and assigns new node ids to it and all children. (Inherited from Opc.Ua.NodeState) |
| CreateBrowser | Creates a browser for the entity references. (Inherited from Opc.Ua.NodeState) |
| CreateChild | Finds or creates the child with the specified browse name. (Inherited from Opc.Ua.NodeState) |
| Delete | Deletes an instance and its children (calls OnStateChange callback for each node). (Inherited from Opc.Ua.NodeState) |
| Dispose | An overrideable version of the Dispose. (Inherited from Opc.Ua.NodeState) |
| Export | Exports a copy of the node to a node table. (Inherited from Opc.Ua.NodeState) |
| FindChild | Overloaded. Overridden. Finds the child with the specified browse name. |
| FindChildBySymbolicName | Finds the child by a path constructed from the symbolic names. (Inherited from Opc.Ua.NodeState) |
| FindMethod | Returns the method with the specified NodeId or MethodDeclarationId. (Inherited from Opc.Ua.NodeState) |
| GetAttributesToSave | Returns a mask which indicates which attributes have non-default value. (Inherited from Opc.Ua.BaseVariableState) |
| GetAttributeValue | (Inherited from Opc.Ua.BaseInstanceState) |
| GetChildren | Overridden. Populates a list with the children that belong to the node. |
| GetDefaultTypeDefinitionId(ISystemContext) | Returns the id of the default type definition node for the instance. (Inherited from Opc.Ua.BaseInstanceState) |
| GetDisplayPath | Overloaded. Gets a display path for the node. (Inherited from Opc.Ua.BaseInstanceState) |
| GetDisplayText | Gets a display text for the node. (Inherited from Opc.Ua.BaseInstanceState) |
| GetHierarchyReferences | Populates a table with all references in the hierarchy. (Inherited from Opc.Ua.NodeState) |
| GetHierarchyRoot | Returns the root node if the node is part of an instance hierarchy. (Inherited from Opc.Ua.NodeState) |
| GetInstanceHierarchy | Populates a table with all nodes in the hierarchy. (Inherited from Opc.Ua.NodeState) |
| GetNotifiers | Overloaded. Populates a list with the notifiers that belong to the node. (Inherited from Opc.Ua.NodeState) |
| GetReferences | Overloaded. Populates a list with the non-child related references that belong to the node. (Inherited from Opc.Ua.NodeState) |
| Initialize(ISystemContext,String) | When overridden in a derived class, iinitializes the instance with the default values. (Inherited from Opc.Ua.NodeState) |
| IsTypeOf | (Inherited from Opc.Ua.BaseInstanceState) |
| LoadAsBinary | Loads the node from a binary stream. (Inherited from Opc.Ua.NodeState) |
| LoadFromXml | Overloaded. Initializes the node from XML in a stream. (Inherited from Opc.Ua.NodeState) |
| ReadAttribute | Reads the value of an attribute. (Inherited from Opc.Ua.NodeState) |
| ReadAttributes | Reads the values for a set of attributes. (Inherited from Opc.Ua.NodeState) |
| ReadChildAttribute | Reads the attribute of the child node. (Inherited from Opc.Ua.NodeState) |
| ReferenceExists | Returns true if the reference exists. (Inherited from Opc.Ua.NodeState) |
| RemoveChild | Adds a child from the node. (Inherited from Opc.Ua.NodeState) |
| RemoveNotifier | Removes a notifier relationship from the node. (Inherited from Opc.Ua.NodeState) |
| RemoveReference | Removes a reference. (Inherited from Opc.Ua.NodeState) |
| RemoveReferences | Removes all references of the specified type. (Inherited from Opc.Ua.NodeState) |
| ReplaceChild | Creates or replaces the child with the same browse name. (Inherited from Opc.Ua.NodeState) |
| ReportEvent | Sets the flag which indicates whether event are being monitored for the instance and its children. (Inherited from Opc.Ua.BaseInstanceState) |
| Save | Overloaded. Saves the attributes from this instance to the encoder. (Inherited from Opc.Ua.BaseVariableState) |
| SaveAsBinary | Overloaded. Saves the node in a binary stream. The stream is closed by this method. (Inherited from Opc.Ua.NodeState) |
| SaveAsXml | Overloaded. Saves the node as XML in a stream.The stream is closed by this method. (Inherited from Opc.Ua.NodeState) |
| SaveChildren | Overloaded. Saves the children in a binary stream. (Inherited from Opc.Ua.NodeState) |
| SaveReferences | Overloaded. Saves the reference table in a binary stream. (Inherited from Opc.Ua.NodeState) |
| SetAreEventsMonitored | Sets the flag which indicates whether event are being monitored for the instance and its children. (Inherited from Opc.Ua.NodeState) |
| SetChildValue | Overloaded. Finds the child with the specified browse and assigns the values from any variables in the hierachy of the source. (Inherited from Opc.Ua.NodeState) |
| SetMinimumSamplingInterval | Sets the minimum sampling interval for the node an all of its child variables.. (Inherited from Opc.Ua.BaseInstanceState) |
| SetStatusCode | Recusively sets the status code and timestamp for the node and all child variables. (Inherited from Opc.Ua.BaseVariableState) |
| ToString | Overloaded. Returns a string representation of the node. (Inherited from Opc.Ua.NodeState) |
| Update | Overloaded. Updates the attributes from the decoder. (Inherited from Opc.Ua.BaseVariableState) |
| UpdateChangeMasks | Sets the specified bits in the change masks (ORs with the current bits). (Inherited from Opc.Ua.NodeState) |
| UpdateChildren | Overloaded. Loads the children from a binary stream. (Inherited from Opc.Ua.NodeState) |
| UpdateReferences | Overloaded. Loads the reference table from a binary stream. (Inherited from Opc.Ua.NodeState) |
| UpdateReferenceTargets | Recursively updates the targets of references. (Inherited from Opc.Ua.NodeState) |
| UpdateValues | Updates the node with the values from an event notification. (Inherited from Opc.Ua.NodeState) |
| Validate | Verifies that the node represents a valid node. (Inherited from Opc.Ua.NodeState) |
| WriteAttribute | Writes the specified attribute value. (Inherited from Opc.Ua.NodeState) |
| WriteChildAttribute | Writes the value of the child attribute. (Inherited from Opc.Ua.NodeState) |
Public Events
| Name | Description | |
|---|---|---|
 | StateChanged | An event which allows multiple sinks to be notified when the OnStateChanged callback is called. (Inherited from Opc.Ua.NodeState) |