A class that manages a session with an OPC UA server. More...

Inherits IDisposable, and UnifiedAutomation.UaBase.IMapperContext.

Public Member Functions
	Session ()
	Create a session for the default client application. More...

	Session (ApplicationInstance application)
	Create a session for the specified client application. More...

void	Dispose ()
	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. More...

void	Connect (string endpointUrl, SecuritySelection securitySelection)
	More...

void	Connect (string endpointUrl, SecuritySelection securitySelection, RequestSettings settings)
	More...

void	Connect (string endpointUrl, SecuritySelection securitySelection, string transportProfileUri, RetryInitialConnect retryInitialConnect, RequestSettings settings)
	Connects the specified endpoint URL. More...

IAsyncResult	BeginConnect (string endpointUrl, SecuritySelection securitySelection, string transportProfileUri, RetryInitialConnect retryInitialConnect, RequestSettings settings, AsyncCallback callback, object userData)
	Establish a connection to the OPC UA server Calling this function successfully creates a secure channel to the server endpoint and it creates and activates an application session in the server application.The SDK is managing the connection to the server by More...

void	Connect (EndpointDescription endpoint, RequestSettings settings)
	More...

void	Connect (EndpointDescription endpoint, RetryInitialConnect retryInitialConnect, RequestSettings settings)
	Connects the specified endpoint. More...

IAsyncResult	BeginConnect (EndpointDescription endpoint, RetryInitialConnect retryInitialConnect, RequestSettings settings, AsyncCallback callback, object userData)
	More...

void	EndConnect (IAsyncResult result)
	Completes an asynchronous connect operation. More...

void	Disconnect ()
	Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned to the session are also deleted. More...

void	Disconnect (SubscriptionCleanupPolicy cleanupPolicy)
	Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned to the session are also deleted if the cleanupPolicy is set to Delete. More...

void	Disconnect (SubscriptionCleanupPolicy cleanupPolicy, RequestSettings settings)
	Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned to the session are also deleted if the cleanupPolicy is set to Delete. More...

IAsyncResult	BeginDisconnect (AsyncCallback callback, object userData)
	Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned the session are also deleted. More...

IAsyncResult	BeginDisconnect (SubscriptionCleanupPolicy cleanupPolicy, AsyncCallback callback, object userData)
	Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned the session are also deleted if the cleanupPolicy is set to Delete. More...

IAsyncResult	BeginDisconnect (SubscriptionCleanupPolicy cleanupPolicy, RequestSettings settings, AsyncCallback callback, object userData)
	Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned the session are also deleted if the cleanupPolicy is set to Delete. More...

void	EndDisconnect (IAsyncResult result)
	Completes an asynchronous disconnect operation. More...

List< DataValue >	Read (IList< ReadValueId > nodesToRead, uint maxAge, TimestampsToReturn timestampsToReturn, RequestSettings settings)
	Reads attribute values synchronous from OPC server. The Read Service is used to read one or more attributes of one or more nodes. It allows also reading subsets or single elements of array values and to define a valid age of values to be returned to reduce the need for device reads. Like most other services, the read is optimized for bulk read operations and not for reading single Attribute values. Typically all Node Attributes are readable. For the Value Attribute the Read rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable. More...

List< DataValue >	Read (IList< ReadValueId > nodesToRead)
	Reads attribute values synchronous from OPC server. The Read Service is used to read one or more attributes of one or more nodes. It allows also reading subsets or single elements of array values and to define a valid age of values to be returned to reduce the need for device reads. Like most other services, the read is optimized for bulk read operations and not for reading single Attribute values. Typically all Node Attributes are readable. For the Value Attribute the Read rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable. More...

IAsyncResult	BeginRead (IList< ReadValueId > nodesToRead, uint maxAge, TimestampsToReturn timestampsToReturn, RequestSettings settings, AsyncCallback callback, object userData)
	Reads values and attributes asynchronously from OPC server. The Read Service is used to read one or more attributes of one or more nodes. It allows also reading subsets or single elements of array values and to define a valid age of values to be returned to reduce the need for device reads. Like most other services, the read is optimized for bulk read operations and not for reading single Attribute values. Typically all Node Attributes are readable. For the Value Attribute the Read rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable. More...

IAsyncResult	BeginRead (IList< ReadValueId > nodesToRead, uint maxAge, TimestampsToReturn timestampsToReturn, AsyncCallback callback, Object userData)
	This is an overloaded function. See BeginRead for more details. More...

IAsyncResult	BeginRead (IList< ReadValueId > nodesToRead, uint maxAge, AsyncCallback callback, Object userData)
	This is an overloaded function. See BeginRead for more details. More...

List< DataValue >	EndRead (IAsyncResult result)
	Completes an asynchronous read operation. More...

List< StatusCode >	Write (IList< WriteValue > nodesToWrite, RequestSettings settings)
	Writes attributes synchronously to OPC server. The Write Service is used to write one or more attributes of one or more nodes. For the Value Attribute the Write rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable. More...

List< StatusCode >	Write (IList< WriteValue > nodesToWrite)
	This is an overloaded function. See Write for more details. More...

IAsyncResult	BeginWrite (IList< WriteValue > nodesToWrite, RequestSettings settings, AsyncCallback callback, object userData)
	Writes attributes asynchronously to a OPC UA server. More...

IAsyncResult	BeginWrite (IList< WriteValue > nodesToWrite, AsyncCallback callback, Object userData)
	This is an overloaded function. See Write for more details. More...

List< StatusCode >	EndWrite (IAsyncResult result)
	Ends the write. More...

void	ChangeUser ()
	Change user for the connection to the OPC UA server. Calling this function changes the user of the session by calling ActivateSession with the new user identity. More...

void	ChangeUser (UserIdentity userIdentity)
	Change user for the connection to the OPC UA server. Calling this function changes the user of the session by calling ActivateSession with the new user identity. More...

void	ChangeUser (UserIdentity userIdentity, RequestSettings settings)
	Change user for the connection to the OPC UA server. Calling this function changes the user of the session by calling ActivateSession with the new user identity. More...

IAsyncResult	BeginChangeUser (AsyncCallback callback, Object userData)
	Change user for the connection to the OPC UA server asynchronously. More...

IAsyncResult	BeginChangeUser (UserIdentity userIdentity, RequestSettings settings, AsyncCallback callback, object userData)
	Change user for the connection to the OPC UA server asynchronously. More...

void	EndChangeUser (IAsyncResult result)
	Completes a change user request. More...

List< ReferenceDescription >	Browse (NodeId nodeToBrowse, BrowseContext browseContext, RequestSettings settings, out byte[] continuationPoint)
	More...

List< ReferenceDescription >	Browse (NodeId nodeToBrowse, BrowseContext browseContext, out byte[] continuationPoint)
	This is an overloaded function. See Browse for more details. More...

List< ReferenceDescription >	Browse (NodeId nodeToBrowse, out byte[] continuationPoint)
	This is an overloaded function. See Browse for more details. More...

IAsyncResult	BeginBrowse (NodeId nodeToBrowse, AsyncCallback callback, Object userData)
	More...

IAsyncResult	BeginBrowse (NodeId nodeToBrowse, BrowseContext browseContext, AsyncCallback callback, Object userData)
	This is an overloaded function. See BeginBrowse for more details. More...

IAsyncResult	BeginBrowse (NodeId nodeToBrowse, BrowseContext browseContext, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the browse. More...

List< ReferenceDescription >	EndBrowse (IAsyncResult result, out byte[] continuationPoint)
	Ends a browse. More...

List< ReferenceDescription >	BrowseNext (ref byte[] continuationPoint)
	Continues a browse operation. More...

List< ReferenceDescription >	BrowseNext (RequestSettings settings, ref byte[] continuationPoint)
	Continue a previous Browse request.This method is only used to continue a browse started with the browse method if not all results could be returned by the browse or a following browseNext call. The number of Nodes to return can be limited by the client in the browse request or by the Server during processing the Browse Service call. More...

IAsyncResult	BeginBrowseNext (byte[] continuationPoint, AsyncCallback callback, object userData)
	Begins a browse next operation. More...

IAsyncResult	BeginBrowseNext (byte[] continuationPoint, RequestSettings settings, AsyncCallback callback, object userData)
	Begins a browse next operation. More...

List< List < ReferenceDescription > >	BrowseList (List< BrowseDescription > nodesToBrowse)
	Browses the specified nodes. More...

List< List < ReferenceDescription > >	BrowseList (ViewDescription view, List< BrowseDescription > nodesToBrowse, uint maxReferencesPerBrowse, RequestSettings settings)
	Browses the specified nodes. More...

IAsyncResult	BeginBrowseList (List< BrowseDescription > nodesToBrowse, AsyncCallback callback, object userData)
	Begins the browse. More...

IAsyncResult	BeginBrowseList (ViewDescription view, List< BrowseDescription > nodesToBrowse, uint maxReferencesPerBrowse, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the browse. More...

List< List < ReferenceDescription > >	EndBrowseList (IAsyncResult result)
	Ends a browse. More...

void	ReleaseBrowseContinuationPoint (byte[] continuationPoint)
	Releases the browse continuation point. More...

void	ReleaseBrowseContinuationPoint (byte[] continuationPoint, RequestSettings settings)
	Releases the browse continuation point. More...

IAsyncResult	BeginReleaseBrowseContinuationPoint (byte[] continuationPoint, AsyncCallback callback, object userData)
	Begins a release browse continuation point operation. More...

IAsyncResult	BeginReleaseBrowseContinuationPoint (byte[] continuationPoint, RequestSettings settings, AsyncCallback callback, object userData)
	Begins a release browse continuation point operation. More...

void	EndReleaseBrowseContinuationPoint (IAsyncResult result)
	Ends the release browse continuation point operation. More...

List< BrowsePathResult >	TranslateBrowsePath (IList< BrowsePath > pathsToTranslate)
	Translate a browse path to a NodeId. This Service is used to access components of an Object based on the knowledge about the ObjectType. Since the NodeId of a Node is needed to access information provided by the Node like subscribing for Variable Value changes or to call a Method , it is necessary to know the NodeIds of components of Objects. Since OPC UA allows programming software components with built-in knowledge of ObjectTypes , UA needs to provide a mechanism to return the NodeIds for components of an Object instance based on the knowledge about the ObjectType. This mechanism is built on the requirement that the BrowseNames of components in the instance must be the same like BrowseNames of components in the type. More...

List< BrowsePathResult >	TranslateBrowsePath (IList< BrowsePath > pathsToTranslate, RequestSettings settings)
	Translates the browse path. More...

List< BrowsePathResult >	TranslateBrowsePath (NodeId startingNodeId, IList< string > browsePaths)
	Translates the browse paths. More...

List< BrowsePathResult >	TranslateBrowsePath (NodeId startingNodeId, IList< string > browsePaths, NamespaceTable namespaceUris, RequestSettings settings)
	Translates the browse paths. More...

IAsyncResult	BeginTranslateBrowsePath (IList< BrowsePath > pathsToTranslate, AsyncCallback callback, object userData)
	Begins the translate browse path. More...

IAsyncResult	BeginTranslateBrowsePath (NodeId startingNodeId, IList< string > browsePaths, AsyncCallback callback, object userData)
	Begins the translate browse path. More...

IAsyncResult	BeginTranslateBrowsePath (NodeId startingNodeId, IList< string > browsePaths, NamespaceTable namespaceUris, RequestSettings settings, AsyncCallback callback, object userData)
	Begins a translate browse paths operation. More...

IAsyncResult	BeginTranslateBrowsePath (IList< BrowsePath > pathsToTranslate, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the translate browse path. More...

List< BrowsePathResult >	EndTranslateBrowsePath (IAsyncResult result)
	Ends the translate browse path. More...

List< Variant >	Call (NodeId objectToCall, NodeId methodToCall)
	Calls a method of an Object in the OPC server More...

StatusCode	Call (NodeId objectToCall, NodeId methodToCall, List< Variant > inputArguments, out List< StatusCode > inputArgumentErrors, out List< Variant > outputArguments)
	Calls the specified method. More...

StatusCode	Call (NodeId objectToCall, NodeId methodToCall, List< Variant > inputArguments, RequestSettings settings, out List< StatusCode > inputArgumentErrors, out List< Variant > outputArguments)
	Calls the specified method. More...

IAsyncResult	BeginCall (NodeId objectToCall, NodeId methodToCall, List< Variant > inputArguments, RequestSettings settings, AsyncCallback callback, object userData)
	Calls the specified method. More...

List< Variant >	EndCall (IAsyncResult result)
	Calls the specified method. More...

StatusCode	EndCall (IAsyncResult result, out List< StatusCode > inputArgumentErrors, out List< Variant > outputArguments)
	Calls the specified method. More...

List< CallMethodResult >	CallList (IList< CallMethodRequest > methodsToCall, RequestSettings settings)
	Calls the specified methods to call. More...

IAsyncResult	BeginCallList (IList< CallMethodRequest > methodsToCall, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the method call. More...

List< CallMethodResult >	EndCallList (IAsyncResult result)
	Ends a call method request. More...

List< HistoryDataReadResult >	HistoryReadRaw (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details)
	Histories the read raw. More...

List< HistoryDataReadResult >	HistoryReadRaw (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings)
	Histories the read raw. More...

IAsyncResult	BeginHistoryReadRaw (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details, AsyncCallback callback, object userData)
	Begins the history read raw. More...

IAsyncResult	BeginHistoryReadRaw (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the history read raw. More...

List< HistoryDataReadResult >	EndHistoryReadRaw (IAsyncResult result)
	Ends the history read raw. More...

List< HistoryDataReadResult >	HistoryReadModified (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details)
	Histories the read raw. More...

List< HistoryDataReadResult >	HistoryReadModified (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings)
	Histories the read raw. More...

IAsyncResult	BeginHistoryReadModified (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details, AsyncCallback callback, object userData)
	Begins the history read raw. More...

IAsyncResult	BeginHistoryReadModified (IList< HistoryReadValueId > nodesToRead, ReadRawModifiedDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the history read raw. More...

List< HistoryDataReadResult >	EndHistoryReadModified (IAsyncResult result)
	Ends the history read raw. More...

List< HistoryDataReadResult >	HistoryReadProcessed (IList< HistoryReadValueId > nodesToRead, ReadProcessedDetails details)
	Histories the read raw. More...

List< HistoryDataReadResult >	HistoryReadProcessed (IList< HistoryReadValueId > nodesToRead, ReadProcessedDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings)
	Histories the read raw. More...

IAsyncResult	BeginHistoryReadProcessed (IList< HistoryReadValueId > nodesToRead, ReadProcessedDetails details, AsyncCallback callback, object userData)
	Begins the history read raw. More...

IAsyncResult	BeginHistoryReadProcessed (IList< HistoryReadValueId > nodesToRead, ReadProcessedDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the history read raw. More...

List< HistoryDataReadResult >	EndHistoryReadProcessed (IAsyncResult result)
	Ends the history read raw. More...

List< HistoryDataReadResult >	HistoryReadAtTime (IList< HistoryReadValueId > nodesToRead, ReadAtTimeDetails details)
	Histories the read raw. More...

List< HistoryDataReadResult >	HistoryReadAtTime (IList< HistoryReadValueId > nodesToRead, ReadAtTimeDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings)
	Histories the read raw. More...

IAsyncResult	BeginHistoryReadAtTime (IList< HistoryReadValueId > nodesToRead, ReadAtTimeDetails details, AsyncCallback callback, object userData)
	Begins the history read raw. More...

IAsyncResult	BeginHistoryReadAtTime (IList< HistoryReadValueId > nodesToRead, ReadAtTimeDetails details, TimestampsToReturn timestampsToReturn, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the history read raw. More...

List< HistoryDataReadResult >	EndHistoryReadAtTime (IAsyncResult result)
	Ends the history read raw. More...

List< HistoryDataReadResult >	ReleaseHistoryContinuationPoints (IList< HistoryReadValueId > nodesToRead)
	Histories the read raw. More...

List< HistoryDataReadResult >	ReleaseHistoryContinuationPoints (IList< HistoryReadValueId > nodesToRead, RequestSettings settings)
	Histories the read raw. More...

IAsyncResult	BeginReleaseHistoryContinuationPoints (IList< HistoryReadValueId > nodesToRead, AsyncCallback callback, object userData)
	Begins the history read raw. More...

IAsyncResult	BeginReleaseHistoryContinuationPoints (IList< HistoryReadValueId > nodesToRead, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the history read raw. More...

List< HistoryDataReadResult >	EndReleaseHistoryContinuationPoints (IAsyncResult result)
	Ends the history read raw. More...

List< AddNodesResult >	AddNodes (IList< AddNodesItem > nodesToAdd, RequestSettings settings)
	Adds the nodes. More...

IAsyncResult	BeginAddNodes (IList< AddNodesItem > nodesToAdd, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the add nodes. More...

List< AddNodesResult >	EndAddNodes (IAsyncResult result)
	Ends the add nodes. More...

List< StatusCode >	AddReferences (IList< AddReferencesItem > referencesToAdd, RequestSettings settings)
	Adds the references. More...

IAsyncResult	BeginAddReferences (IList< AddReferencesItem > referencesToAdd, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the add references operation. More...

List< StatusCode >	EndAddReferences (IAsyncResult result)
	Ends the add nodes. More...

List< StatusCode >	DeleteNodes (IList< DeleteNodesItem > nodesToDelete, RequestSettings settings)
	Deletes the nodes. More...

IAsyncResult	BeginDeleteNodes (IList< DeleteNodesItem > nodesToDelete, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the delete nodes operation. More...

List< StatusCode >	EndDeleteNodes (IAsyncResult result)
	Ends the add nodes. More...

List< StatusCode >	DeleteReferences (IList< DeleteReferencesItem > referencesToDelete, RequestSettings settings)
	Deletes the references. More...

IAsyncResult	BeginDeleteReferences (IList< DeleteReferencesItem > referencesToDelete, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the delete references operation. More...

List< StatusCode >	EndDeleteReferences (IAsyncResult result)
	Ends the add nodes. More...

List< NodeId >	RegisterNodes (IList< NodeId > nodesToRegister, RequestSettings settings)
	Registers the nodes. More...

IAsyncResult	BeginRegisterNodes (IList< NodeId > nodesToRegister, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the add nodes. More...

List< NodeId >	EndRegisterNodes (IAsyncResult result)
	Ends the add nodes. More...

void	UnregisterNodes (IList< NodeId > nodesToUnregister, RequestSettings settings)
	Registers the nodes. More...

IAsyncResult	BeginUnregisterNodes (IList< NodeId > nodesToUnregister, RequestSettings settings, AsyncCallback callback, object userData)
	Begins the add nodes. More...

void	EndUnregisterNodes (IAsyncResult result)
	Ends the add nodes. More...

Properties
ApplicationInstance	Application `[get, set]`
	Gets the application. More...

NodeId	SessionId `[get]`
	Gets the session id. More...

CacheManager	Cache `[get, set]`
	Gets the cache manager. More...

ModelManager	Model `[get, set]`
	Gets the model manager. More...

Object	UserData `[get, set]`
	Gets or sets the user data. More...

RequestSettings	DefaultRequestSettings `[get, set]`
	Gets or sets the default request settings. More...

string	SessionName `[get, set]`
	Gets or sets the name of the session. More...

UserIdentity	UserIdentity `[get, set]`
	Gets or sets the user identity. More...

IList< string >	PreferredLocales `[get, set]`
	Gets or sets the preferred locales. More...

int	SecureChannelLifetime `[get, set]`
	Gets or sets the secure channel lifetime. More...

int	SecureChannelTimeout `[get, set]`
	Gets or sets the secure channel timeout. More...

int	SessionTimeout `[get, set]`
	Gets or sets the session timeout. More...

uint	WatchdogCycleTime `[get, set]`
	Gets or sets the watchdog cycle time. More...

uint	WatchdogTimeout `[get, set]`
	Gets or sets the watchdog timeout. More...

bool	AutomaticReconnect `[get, set]`
	Gets or sets a value indicating whether the session should automatically reconnect on error. More...

uint	ReconnectDelay `[get, set]`
	Gets or sets the delay between reconnect attempts. More...

uint	PublishPipelineDepth `[get, set]`
	Gets or sets the publish pipeline depth. More...

EndpointDescription	EndpointDescription `[get, set]`
	Gets or sets the endpoint description. More...

ServerConnectionStatus	ConnectionStatus `[get, set]`
	Gets the server connection status. More...

IList< string >	AlternativeEndpointUrls `[get, set]`
	Gets or sets the alternative endpoint urls. More...

TimestampsToReturn	DefaultTimestampToReturn `[get, set]`
	Gets or sets the default timestamp to return. More...

MessageContext	MessageContext `[get]`
	Gets the message context. More...

NamespaceTable	NamespaceUris `[get]`
	Gets the namespace uris. More...

StringTable	ServerUris `[get]`
	Gets the server uris. More...

EncodeableFactory	Factory `[get]`
	Gets the dictionary of data types known to the stack. More...

Events
ServerConnectionStatusUpdateEventHandler	ConnectionStatusUpdate
	Raised when the connection status has been updated. More...

SessionValidationEventHandler	SessionValidationError
	Raised when a non-fatal error occurs during session establishment. More...

Detailed Description

A class that manages a session with an OPC UA server.

Constructor & Destructor Documentation

UnifiedAutomation.UaClient.Session.Session ( )

Create a session for the default client application.

UnifiedAutomation.UaClient.Session.Session ( ApplicationInstance application )

Create a session for the specified client application.

Member Function Documentation

List<AddNodesResult> UnifiedAutomation.UaClient.Session.AddNodes	(	IList< AddNodesItem >	nodesToAdd,
		RequestSettings	settings
	)

Adds the nodes.

Parameters

nodesToAdd	The nodes to add.
settings	The settings.

Returns

List<StatusCode> UnifiedAutomation.UaClient.Session.AddReferences	(	IList< AddReferencesItem >	referencesToAdd,
		RequestSettings	settings
	)

Adds the references.

Parameters

referencesToAdd	The references to add.
settings	The settings.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginAddNodes	(	IList< AddNodesItem >	nodesToAdd,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the add nodes.

Parameters

nodesToAdd	The nodes to add.
settings	The settings.
callback	The callback.
userData	The user data.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginAddReferences	(	IList< AddReferencesItem >	referencesToAdd,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the add references operation.

Parameters

referencesToAdd	The references to add.
settings	The settings.
callback	The callback.
userData	The user data.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowse	(	NodeId	nodeToBrowse,
		AsyncCallback	callback,
		Object	userData
	)

Browse OPC server address space with one starting node asnchonously. The Browse Service is used by a client to navigate through the Address Space by passing a starting Node and browse filters. The server returns the list of referenced nodes matching the filter criteria.

The Browse Service takes a list of starting Nodes and returns a list of connected Nodes for each starting Node. Nevertheless , most clients will only pass one starting Node for the main purpose of building a tree hierarchy. Since the OPC UA Address Space can be a full-meshed network and is not limited to a pure hierarchy , the capability to pass in a list of starting Nodes is mainly used to browse metadata like the Properties of a list of Variables. The client SDK provides different browse methods , one for a single starting Node and one for a list of starting Nodes.

This simplified browse method is used for a single starting node.

Parameters

nodeToBrowse	The node to browse.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

This method returns only forward hierarchial references.

Returns: An object which must be passed to the EndBrowse method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowse	(	NodeId	nodeToBrowse,
		BrowseContext	browseContext,
		AsyncCallback	callback,
		Object	userData
	)

This is an overloaded function. See BeginBrowse for more details.

Parameters

nodeToBrowse	The node to browse.
browseContext	The browse context.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowse	(	NodeId	nodeToBrowse,
		BrowseContext	browseContext,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the browse.

Parameters

nodeToBrowse	The node to browse.
browseContext	The browse context.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowseList	(	List< BrowseDescription >	nodesToBrowse,
		AsyncCallback	callback,
		object	userData
	)

Begins the browse.

Parameters

nodesToBrowse	The nodes to browse.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowseList	(	ViewDescription	view,
		List< BrowseDescription >	nodesToBrowse,
		uint	maxReferencesPerBrowse,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the browse.

Parameters

view	The view.
nodesToBrowse	The nodes to browse.
maxReferencesPerBrowse	The max references per browse.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowseNext	(	byte[]	continuationPoint,
		AsyncCallback	callback,
		object	userData
	)

Begins a browse next operation.

Parameters

continuationPoint	The continuation point.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndBrowseNext method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginBrowseNext	(	byte[]	continuationPoint,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins a browse next operation.

Parameters

continuationPoint	The continuation point.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndBrowse method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginCall	(	NodeId	objectToCall,
		NodeId	methodToCall,
		List< Variant >	inputArguments,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Calls the specified method.

Parameters

objectToCall	The object to call.
methodToCall	The method to call.
inputArguments	The input arguments.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginCallList	(	IList< CallMethodRequest >	methodsToCall,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the method call.

Parameters

methodsToCall	The methods to call.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginChangeUser	(	AsyncCallback	callback,
		Object	userData
	)

Change user for the connection to the OPC UA server asynchronously.

Parameters

callback	The callback to use when the async call completes.
userData	The user data.

Returns: An object which must be passed to the EndChangeUser method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginChangeUser	(	UserIdentity	userIdentity,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Change user for the connection to the OPC UA server asynchronously.

Parameters

userIdentity	The user identity.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndChangeUser method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginConnect	(	string	endpointUrl,
		SecuritySelection	securitySelection,
		string	transportProfileUri,
		RetryInitialConnect	retryInitialConnect,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Establish a connection to the OPC UA server Calling this function successfully creates a secure channel to the server endpoint and it creates and activates an application session in the server application.The SDK is managing the connection to the server by

Monitoring the status of the session with read calls to the server status variable. The frequency of the read calls can be controlled with the property WatchdogCycleTime
Reconnect on TCP/IP or SecureChannel level if the connection was lost
Recreation of the session if the session timed out or the server was restarted
The callback ConnectionStatusUpdate provides information about the current status of the session

Parameters

endpointUrl The URL of the server endpoint to connect to.

UA TCP: opc.tcp://networknode:4840

WebService: https://networknode/ServerName

Parameters

securitySelection	The requested security level. The option None disables security. The option BestAvailable selects the highest security level suported by the server.
transportProfileUri	The transport profile URI to use (if null the default for the URL scheme is used).
retryInitialConnect	The retry initial connect.
settings	The generel settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndConnect() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginConnect	(	EndpointDescription	endpoint,
		RetryInitialConnect	retryInitialConnect,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Establish a connection to the OPC UA server

Connects to the specified endpoint provided by a server or stored in configuration. The available endpoints can be requested through Discovery::GetEndpoints

Parameters

endpoint	The full definition of an OPC UA server endpoint.
retryInitialConnect	The retry initial connect.
settings	The generel settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndConnect() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginDeleteNodes	(	IList< DeleteNodesItem >	nodesToDelete,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the delete nodes operation.

Parameters

nodesToDelete	The nodes to delete.
settings	The settings.
callback	The callback.
userData	The user data.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginDeleteReferences	(	IList< DeleteReferencesItem >	referencesToDelete,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the delete references operation.

Parameters

referencesToDelete	The references to delete.
settings	The settings.
callback	The callback.
userData	The user data.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginDisconnect	(	AsyncCallback	callback,
		object	userData
	)

Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned the session are also deleted.

Parameters

callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndDisconnect() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginDisconnect	(	SubscriptionCleanupPolicy	cleanupPolicy,
		AsyncCallback	callback,
		object	userData
	)

Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned the session are also deleted if the cleanupPolicy is set to Delete.

Parameters

cleanupPolicy	The cleanup policy for the subscription. The option Delete removes the subscription together with the session. The sbscriptions are not deleted when option Keep is used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndDisconnect() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginDisconnect	(	SubscriptionCleanupPolicy	cleanupPolicy,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned the session are also deleted if the cleanupPolicy is set to Delete.

Parameters

cleanupPolicy	The cleanup policy for the subscription. The option Delete removes the subscription together with the session. The sbscriptions are not deleted when option Keep is used.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndDisconnect() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadAtTime	(	IList< HistoryReadValueId >	nodesToRead,
		ReadAtTimeDetails	details,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadAtTime	(	IList< HistoryReadValueId >	nodesToRead,
		ReadAtTimeDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadModified	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadModified	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadProcessed	(	IList< HistoryReadValueId >	nodesToRead,
		ReadProcessedDetails	details,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadProcessed	(	IList< HistoryReadValueId >	nodesToRead,
		ReadProcessedDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadRaw	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginHistoryReadRaw	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginRead	(	IList< ReadValueId >	nodesToRead,
		uint	maxAge,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Reads values and attributes asynchronously from OPC server. The Read Service is used to read one or more attributes of one or more nodes. It allows also reading subsets or single elements of array values and to define a valid age of values to be returned to reduce the need for device reads. Like most other services, the read is optimized for bulk read operations and not for reading single Attribute values. Typically all Node Attributes are readable. For the Value Attribute the Read rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable.

Parameters

nodesToRead	List of nodes and attributes to read.
maxAge	The maximum age for any value.
timestampsToReturn	OPC UA defines two timestamps, the source and the server timestamp. This parameter allows the client to define which timestamps the server should return with the value. The source timestamp is only available for Value Attributes. The source timestamp is used to reflect the timestamp that was applied to a Variable value by the data source. It should indicate the last change of the value or status code. The source timestamp must be always generated by the same physical clock. This timestamp type was added for OPC UA to cover the use case to get the timestamp of the last value change which is different than the server timestamp definition. The server timestamp is used to reflect the time that the server received a Variable value or knew it to be accurate if the changes are reported by exception and the connection to the data source is operating. This is the behavior expected by Classic OPC Possible values are TimestampsToReturn.Source TimestampsToReturn.Server TimestampsToReturn.Both
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndRead() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginRead	(	IList< ReadValueId >	nodesToRead,
		uint	maxAge,
		TimestampsToReturn	timestampsToReturn,
		AsyncCallback	callback,
		Object	userData
	)

This is an overloaded function. See BeginRead for more details.

Parameters

nodesToRead	The nodes to read.
maxAge	The max age.
timestampsToReturn	The timestamps to return.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndRead() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginRead	(	IList< ReadValueId >	nodesToRead,
		uint	maxAge,
		AsyncCallback	callback,
		Object	userData
	)

This is an overloaded function. See BeginRead for more details.

Parameters

nodesToRead	The nodes to read.
maxAge	The max age.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndRead() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginRegisterNodes	(	IList< NodeId >	nodesToRegister,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the add nodes.

Parameters

nodesToRegister	The nodes to register.
settings	The settings.
callback	The callback.
userData	The user data.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginReleaseBrowseContinuationPoint	(	byte[]	continuationPoint,
		AsyncCallback	callback,
		object	userData
	)

Begins a release browse continuation point operation.

Parameters

continuationPoint	The continuation point.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginReleaseBrowseContinuationPoint	(	byte[]	continuationPoint,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins a release browse continuation point operation.

Parameters

continuationPoint	The continuation point.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginReleaseHistoryContinuationPoints	(	IList< HistoryReadValueId >	nodesToRead,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginReleaseHistoryContinuationPoints	(	IList< HistoryReadValueId >	nodesToRead,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the history read raw.

Parameters

nodesToRead	The nodes to read.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginTranslateBrowsePath	(	IList< BrowsePath >	pathsToTranslate,
		AsyncCallback	callback,
		object	userData
	)

Begins the translate browse path.

Parameters

pathsToTranslate	The paths to translate.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginTranslateBrowsePath	(	NodeId	startingNodeId,
		IList< string >	browsePaths,
		AsyncCallback	callback,
		object	userData
	)

Begins the translate browse path.

Parameters

startingNodeId	The starting node.
browsePaths	A list of browse paths to translate.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginTranslateBrowsePath	(	NodeId	startingNodeId,
		IList< string >	browsePaths,
		NamespaceTable	namespaceUris,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins a translate browse paths operation.

Parameters

startingNodeId	The starting node.
browsePaths	A list of browse paths to translate.
namespaceUris	The table of namespace referenced by the browse paths (if null the session namespace table is assumed).
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginTranslateBrowsePath	(	IList< BrowsePath >	pathsToTranslate,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the translate browse path.

Parameters

pathsToTranslate	The paths to translate.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginUnregisterNodes	(	IList< NodeId >	nodesToUnregister,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Begins the add nodes.

Parameters

nodesToUnregister	The nodes to unregister.
settings	The settings.
callback	The callback.
userData	The user data.

Returns

IAsyncResult UnifiedAutomation.UaClient.Session.BeginWrite	(	IList< WriteValue >	nodesToWrite,
		RequestSettings	settings,
		AsyncCallback	callback,
		object	userData
	)

Writes attributes asynchronously to a OPC UA server.

Parameters

nodesToWrite	List of nodes and attributes to write.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
callback	The callback to use when the async call completes.
userData	The user data that is passed to the callback.

Returns: An object which must be passed to the EndWrite() method.

IAsyncResult UnifiedAutomation.UaClient.Session.BeginWrite	(	IList< WriteValue >	nodesToWrite,
		AsyncCallback	callback,
		Object	userData
	)

This is an overloaded function. See Write for more details.

List<ReferenceDescription> UnifiedAutomation.UaClient.Session.Browse	(	NodeId	nodeToBrowse,
		BrowseContext	browseContext,
		RequestSettings	settings,
		out byte[]	continuationPoint
	)

Browse OPC server address space with one starting node. The Browse Service is used by a client to navigate through the Address Space by passing a starting Node and browse filters. The server returns the list of referenced nodes matching the filter criteria.

The Browse Service takes a list of starting Nodes and returns a list of connected Nodes for each starting Node. Nevertheless , most clients will only pass one starting Node for the main purpose of building a tree hierarchy. Since the OPC UA Address Space can be a full-meshed network and is not limited to a pure hierarchy , the capability to pass in a list of starting Nodes is mainly used to browse metadata like the Properties of a list of Variables. The client SDK provides different browse methods , one for a single starting Node and one for a list of starting Nodes.

This simplified browse method is used for a single starting node.

Parameters

nodeToBrowse	NodeId of the starting Node
browseContext	Filter settings for the browse call. See BrowseContext for more details
settings
continuationPoint	out: A continuation point is returned when the server was not able to deliver all results in the Browse response. The limitation can be set by the client in the request or by the server during Browse processing. The continuation point can be passed to browseNext to get the remaining results

Returns: List of references and target Node information for the Nodes passing the filter criteria set in the request.

List<ReferenceDescription> UnifiedAutomation.UaClient.Session.Browse	(	NodeId	nodeToBrowse,
		BrowseContext	browseContext,
		out byte[]	continuationPoint
	)

This is an overloaded function. See Browse for more details.

Parameters

nodeToBrowse	The node to browse.
browseContext	The browse context.
continuationPoint	The continuation point.

Returns

List<ReferenceDescription> UnifiedAutomation.UaClient.Session.Browse	(	NodeId	nodeToBrowse,
		out byte[]	continuationPoint
	)

This is an overloaded function. See Browse for more details.

Parameters

nodeToBrowse	The node to browse.
continuationPoint	The continuation point.

This method returns only forward hierarchial references.

Returns

List<List<ReferenceDescription> > UnifiedAutomation.UaClient.Session.BrowseList ( List< BrowseDescription > nodesToBrowse )

Browses the specified nodes.

Parameters

nodesToBrowse The nodes to browse.

Returns

List<List<ReferenceDescription> > UnifiedAutomation.UaClient.Session.BrowseList	(	ViewDescription	view,
		List< BrowseDescription >	nodesToBrowse,
		uint	maxReferencesPerBrowse,
		RequestSettings	settings
	)

Browses the specified nodes.

Parameters

view	The view.
nodesToBrowse	The nodes to browse.
maxReferencesPerBrowse	The max references per browse.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<ReferenceDescription> UnifiedAutomation.UaClient.Session.BrowseNext ( ref byte[] continuationPoint )

Continues a browse operation.

Parameters

continuationPoint The continuation point.

Returns: List of references and target Node information for the Nodes passing the filter criteria set in the request.

List<ReferenceDescription> UnifiedAutomation.UaClient.Session.BrowseNext	(	RequestSettings	settings,
		ref byte[]	continuationPoint
	)

Continue a previous Browse request.This method is only used to continue a browse started with the browse method if not all results could be returned by the browse or a following browseNext call. The number of Nodes to return can be limited by the client in the browse request or by the Server during processing the Browse Service call.

Parameters

settings
continuationPoint	ref: Continuation points returned from a previous browse or browseNext call. A continuation point is returned when the server was not able to deliver all results in the BrowseNext response. The limitation can be set by the client in the browse or by the server during

Returns: List of references and target Node information for the Nodes passing the filter criteria set in the first browse call

List<Variant> UnifiedAutomation.UaClient.Session.Call	(	NodeId	objectToCall,
		NodeId	methodToCall
	)

Calls a method of an Object in the OPC server

Parameters

objectToCall	The object to call.
methodToCall	The method to call.

Returns

StatusCode UnifiedAutomation.UaClient.Session.Call	(	NodeId	objectToCall,
		NodeId	methodToCall,
		List< Variant >	inputArguments,
		out List< StatusCode >	inputArgumentErrors,
		out List< Variant >	outputArguments
	)

Calls the specified method.

Parameters

objectToCall	The object to call.
methodToCall	The method to call.
inputArguments	The input arguments.
inputArgumentErrors	The input argument errors.
outputArguments	The output arguments.

Returns

StatusCode UnifiedAutomation.UaClient.Session.Call	(	NodeId	objectToCall,
		NodeId	methodToCall,
		List< Variant >	inputArguments,
		RequestSettings	settings,
		out List< StatusCode >	inputArgumentErrors,
		out List< Variant >	outputArguments
	)

Calls the specified method.

Parameters

objectToCall	The object to call.
methodToCall	The method to call.
inputArguments	The input arguments.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.
inputArgumentErrors	The input argument errors.
outputArguments	The output arguments.

Returns

List<CallMethodResult> UnifiedAutomation.UaClient.Session.CallList	(	IList< CallMethodRequest >	methodsToCall,
		RequestSettings	settings
	)

Calls the specified methods to call.

Parameters

methodsToCall	The methods to call.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

void UnifiedAutomation.UaClient.Session.ChangeUser ( )

Change user for the connection to the OPC UA server. Calling this function changes the user of the session by calling ActivateSession with the new user identity.

void UnifiedAutomation.UaClient.Session.ChangeUser ( UserIdentity userIdentity )

Change user for the connection to the OPC UA server. Calling this function changes the user of the session by calling ActivateSession with the new user identity.

Parameters

userIdentity The user identity.

void UnifiedAutomation.UaClient.Session.ChangeUser	(	UserIdentity	userIdentity,
		RequestSettings	settings
	)

Change user for the connection to the OPC UA server. Calling this function changes the user of the session by calling ActivateSession with the new user identity.

Parameters

userIdentity	The user identity.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

void UnifiedAutomation.UaClient.Session.Connect	(	string	endpointUrl,
		SecuritySelection	securitySelection
	)

Establish a connection to the OPC UA server.

Calling this function successfully creates a secure channel to the server endpoint and it creates and activates an application session in the server application.

The SDK is managing the connection to the server by

Monitoring the status of the session with read calls to the server status variable. The frequency of the read calls can be controlled with the property WatchdogCycleTime
Reconnect on TCP/IP or SecureChannel level if the connection was lost
Recreation of the session if the session timed out or the server was restarted
The callback ConnectionStatusUpdate provides information about the current status of the session

Parameters

endpointUrl The URL of the server endpoint to connect to.

UA TCP: opc.tcp://networknode:4840

WebService: https://networknode/ServerName

Parameters

securitySelection The requested security level. The option None disables security. The option BestAvailable selects the highest security level suported by the server.

void UnifiedAutomation.UaClient.Session.Connect	(	string	endpointUrl,
		SecuritySelection	securitySelection,
		RequestSettings	settings
	)

Establish a connection to the OPC UA server.

Calling this function successfully creates a secure channel to the server endpoint and it creates and activates an application session in the server application.

The SDK is managing the connection to the server by

Monitoring the status of the session with read calls to the server status variable. The frequency of the read calls can be controlled with the property WatchdogCycleTime
Reconnect on TCP/IP or SecureChannel level if the connection was lost
Recreation of the session if the session timed out or the server was restarted
The callback ConnectionStatusUpdate provides information about the current status of the session

Parameters

endpointUrl The URL of the server endpoint to connect to.

UA TCP: opc.tcp://networknode:4840

WebService: https://networknode/ServerName

Parameters

securitySelection	The requested security level. The option None disables security. The option BestAvailable selects the highest security level suported by the server.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

void UnifiedAutomation.UaClient.Session.Connect	(	string	endpointUrl,
		SecuritySelection	securitySelection,
		string	transportProfileUri,
		RetryInitialConnect	retryInitialConnect,
		RequestSettings	settings
	)

Connects the specified endpoint URL.

Parameters

endpointUrl	The endpoint URL.
securitySelection	The security selection.
transportProfileUri	The transport profile URI.
retryInitialConnect	The retry initial connect.
settings	The settings.

void UnifiedAutomation.UaClient.Session.Connect	(	EndpointDescription	endpoint,
		RequestSettings	settings
	)

Establish a connection to the OPC UA server

Connects to the specified endpoint provided by a server or stored in configuration. The available endpoints can be requested through Discovery::GetEndpoints

Parameters

endpoint	The full definition of an OPC UA server endpoint.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

void UnifiedAutomation.UaClient.Session.Connect	(	EndpointDescription	endpoint,
		RetryInitialConnect	retryInitialConnect,
		RequestSettings	settings
	)

Connects the specified endpoint.

Parameters

endpoint	The endpoint.
retryInitialConnect	The retry initial connect.
settings	The settings.

List<StatusCode> UnifiedAutomation.UaClient.Session.DeleteNodes	(	IList< DeleteNodesItem >	nodesToDelete,
		RequestSettings	settings
	)

Deletes the nodes.

Parameters

nodesToDelete	The nodes to delete.
settings	The settings.

Returns

List<StatusCode> UnifiedAutomation.UaClient.Session.DeleteReferences	(	IList< DeleteReferencesItem >	referencesToDelete,
		RequestSettings	settings
	)

Deletes the references.

Parameters

referencesToDelete	The references to delete.
settings	The settings.

Returns

void UnifiedAutomation.UaClient.Session.Disconnect ( )

Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned to the session are also deleted.

void UnifiedAutomation.UaClient.Session.Disconnect ( SubscriptionCleanupPolicy cleanupPolicy )

Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned to the session are also deleted if the cleanupPolicy is set to Delete.

Parameters

cleanupPolicy The cleanup policy for the subscription. The option Delete removes the subscription together with the session. The sbscriptions are not deleted when option Keep is used.

void UnifiedAutomation.UaClient.Session.Disconnect	(	SubscriptionCleanupPolicy	cleanupPolicy,
		RequestSettings	settings
	)

Disconnect client application from OPC UA server. Calling this function closes the session and the secure channel connection to the server. The subscriptions assigned to the session are also deleted if the cleanupPolicy is set to Delete.

Parameters

cleanupPolicy	The cleanup policy for the subscription. The option Delete removes the subscription together with the session. The sbscriptions are not deleted when option Keep is used.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

void UnifiedAutomation.UaClient.Session.Dispose ( )

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

List<AddNodesResult> UnifiedAutomation.UaClient.Session.EndAddNodes ( IAsyncResult result )

Ends the add nodes.

Parameters

result The result.

Returns

List<StatusCode> UnifiedAutomation.UaClient.Session.EndAddReferences ( IAsyncResult result )

Ends the add nodes.

Parameters

result The result.

Returns

List<ReferenceDescription> UnifiedAutomation.UaClient.Session.EndBrowse	(	IAsyncResult	result,
		out byte[]	continuationPoint
	)

Ends a browse.

Parameters

result	The result.
continuationPoint	The continuation point.

Returns: List of references and target Node information for the Nodes passing the filter criteria set in the request.

List<List<ReferenceDescription> > UnifiedAutomation.UaClient.Session.EndBrowseList ( IAsyncResult result )

Ends a browse.

Parameters

result The result.

Returns

List<Variant> UnifiedAutomation.UaClient.Session.EndCall ( IAsyncResult result )

Calls the specified method.

Parameters

result The result.

Returns

StatusCode UnifiedAutomation.UaClient.Session.EndCall	(	IAsyncResult	result,
		out List< StatusCode >	inputArgumentErrors,
		out List< Variant >	outputArguments
	)

Calls the specified method.

Parameters

result	The result.
inputArgumentErrors	The input argument errors.
outputArguments	The output arguments.

Returns

List<CallMethodResult> UnifiedAutomation.UaClient.Session.EndCallList ( IAsyncResult result )

Ends a call method request.

Parameters

result The result.

Returns

void UnifiedAutomation.UaClient.Session.EndChangeUser ( IAsyncResult result )

Completes a change user request.

Parameters

result The result returned from BeginChangeUser method

void UnifiedAutomation.UaClient.Session.EndConnect ( IAsyncResult result )

Completes an asynchronous connect operation.

Parameters

result The object returned from the BeginConnect method.

List<StatusCode> UnifiedAutomation.UaClient.Session.EndDeleteNodes ( IAsyncResult result )

Ends the add nodes.

Parameters

result The result.

Returns

List<StatusCode> UnifiedAutomation.UaClient.Session.EndDeleteReferences ( IAsyncResult result )

Ends the add nodes.

Parameters

result The result.

Returns

void UnifiedAutomation.UaClient.Session.EndDisconnect ( IAsyncResult result )

Completes an asynchronous disconnect operation.

Parameters

result The object returned from the BeginDisconnect method.

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.EndHistoryReadAtTime ( IAsyncResult result )

Ends the history read raw.

Parameters

result The result.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.EndHistoryReadModified ( IAsyncResult result )

Ends the history read raw.

Parameters

result The result.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.EndHistoryReadProcessed ( IAsyncResult result )

Ends the history read raw.

Parameters

result The result.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.EndHistoryReadRaw ( IAsyncResult result )

Ends the history read raw.

Parameters

result The result.

Returns

List<DataValue> UnifiedAutomation.UaClient.Session.EndRead ( IAsyncResult result )

Completes an asynchronous read operation.

Parameters

result The object returned from the BeginRead method.

Returns: List of read results.

List<NodeId> UnifiedAutomation.UaClient.Session.EndRegisterNodes ( IAsyncResult result )

Ends the add nodes.

Parameters

result The result.

Returns

void UnifiedAutomation.UaClient.Session.EndReleaseBrowseContinuationPoint ( IAsyncResult result )

Ends the release browse continuation point operation.

Parameters

result The result.

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.EndReleaseHistoryContinuationPoints ( IAsyncResult result )

Ends the history read raw.

Parameters

result The result.

Returns

List<BrowsePathResult> UnifiedAutomation.UaClient.Session.EndTranslateBrowsePath ( IAsyncResult result )

Ends the translate browse path.

Parameters

result The result.

Returns

void UnifiedAutomation.UaClient.Session.EndUnregisterNodes ( IAsyncResult result )

Ends the add nodes.

Parameters

result The result.

Returns

List<StatusCode> UnifiedAutomation.UaClient.Session.EndWrite ( IAsyncResult result )

Ends the write.

Parameters

result The result returned from BeginWrite method.

Returns: List of StatusCode that indicate the successes of the writes to each node.

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadAtTime	(	IList< HistoryReadValueId >	nodesToRead,
		ReadAtTimeDetails	details
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadAtTime	(	IList< HistoryReadValueId >	nodesToRead,
		ReadAtTimeDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadModified	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadModified	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadProcessed	(	IList< HistoryReadValueId >	nodesToRead,
		ReadProcessedDetails	details
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadProcessed	(	IList< HistoryReadValueId >	nodesToRead,
		ReadProcessedDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadRaw	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.HistoryReadRaw	(	IList< HistoryReadValueId >	nodesToRead,
		ReadRawModifiedDetails	details,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
details	The details.
timestampsToReturn	The timestamps to return.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<DataValue> UnifiedAutomation.UaClient.Session.Read	(	IList< ReadValueId >	nodesToRead,
		uint	maxAge,
		TimestampsToReturn	timestampsToReturn,
		RequestSettings	settings
	)

Reads attribute values synchronous from OPC server. The Read Service is used to read one or more attributes of one or more nodes. It allows also reading subsets or single elements of array values and to define a valid age of values to be returned to reduce the need for device reads. Like most other services, the read is optimized for bulk read operations and not for reading single Attribute values. Typically all Node Attributes are readable. For the Value Attribute the Read rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable.

Parameters

nodesToRead	List of nodes and attributes to read.
maxAge	The maximum age of the value to be read in milliseconds. This parameter allows clients to reduce the communication between server and data source by allowing the server to return a cached value that is not older than the defined time period. Setting a value of 0 forces the server to obtain the current value. This is similar to a device read in Classic OPC.
timestampsToReturn	OPC UA defines two timestamps, the source and the server timestamp. This parameter allows the client to define which timestamps the server should return with the value. The source timestamp is only available for Value Attributes. The source timestamp is used to reflect the timestamp that was applied to a Variable value by the data source. It should indicate the last change of the value or status code. The source timestamp must be always generated by the same physical clock. This timestamp type was added for OPC UA to cover the use case to get the timestamp of the last value change which is different than the server timestamp definition. The server timestamp is used to reflect the time that the server received a Variable value or knew it to be accurate if the changes are reported by exception and the connection to the data source is operating. This is the behavior expected by Classic OPC Possible values are TimestampsToReturn.Source TimestampsToReturn.Server TimestampsToReturn.Both
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns: List of read results.

List<DataValue> UnifiedAutomation.UaClient.Session.Read ( IList< ReadValueId > nodesToRead )

Reads attribute values synchronous from OPC server. The Read Service is used to read one or more attributes of one or more nodes. It allows also reading subsets or single elements of array values and to define a valid age of values to be returned to reduce the need for device reads. Like most other services, the read is optimized for bulk read operations and not for reading single Attribute values. Typically all Node Attributes are readable. For the Value Attribute the Read rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable.

Parameters

nodesToRead List of nodes and attributes to read.

Returns: List of read results.

List<NodeId> UnifiedAutomation.UaClient.Session.RegisterNodes	(	IList< NodeId >	nodesToRegister,
		RequestSettings	settings
	)

Registers the nodes.

Parameters

nodesToRegister	The nodes to register.
settings	The settings.

Returns

void UnifiedAutomation.UaClient.Session.ReleaseBrowseContinuationPoint ( byte[] continuationPoint )

Releases the browse continuation point.

Parameters

continuationPoint The continuation point.

void UnifiedAutomation.UaClient.Session.ReleaseBrowseContinuationPoint	(	byte[]	continuationPoint,
		RequestSettings	settings
	)

Releases the browse continuation point.

Parameters

continuationPoint	The continuation point.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.ReleaseHistoryContinuationPoints ( IList< HistoryReadValueId > nodesToRead )

Histories the read raw.

Parameters

nodesToRead The nodes to read.

Returns

List<HistoryDataReadResult> UnifiedAutomation.UaClient.Session.ReleaseHistoryContinuationPoints	(	IList< HistoryReadValueId >	nodesToRead,
		RequestSettings	settings
	)

Histories the read raw.

Parameters

nodesToRead	The nodes to read.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<BrowsePathResult> UnifiedAutomation.UaClient.Session.TranslateBrowsePath ( IList< BrowsePath > pathsToTranslate )

Translate a browse path to a NodeId. This Service is used to access components of an Object based on the knowledge about the ObjectType. Since the NodeId of a Node is needed to access information provided by the Node like subscribing for Variable Value changes or to call a Method , it is necessary to know the NodeIds of components of Objects. Since OPC UA allows programming software components with built-in knowledge of ObjectTypes , UA needs to provide a mechanism to return the NodeIds for components of an Object instance based on the knowledge about the ObjectType. This mechanism is built on the requirement that the BrowseNames of components in the instance must be the same like BrowseNames of components in the type.

Parameters

pathsToTranslate The list of browse paths for which NodeIds are requested

Returns

List<BrowsePathResult> UnifiedAutomation.UaClient.Session.TranslateBrowsePath	(	IList< BrowsePath >	pathsToTranslate,
		RequestSettings	settings
	)

Translates the browse path.

Parameters

pathsToTranslate	The paths to translate.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

List<BrowsePathResult> UnifiedAutomation.UaClient.Session.TranslateBrowsePath	(	NodeId	startingNodeId,
		IList< string >	browsePaths
	)

Translates the browse paths.

Parameters

startingNodeId	The starting node.
browsePaths	A list of browse paths to translate.

Returns

List<BrowsePathResult> UnifiedAutomation.UaClient.Session.TranslateBrowsePath	(	NodeId	startingNodeId,
		IList< string >	browsePaths,
		NamespaceTable	namespaceUris,
		RequestSettings	settings
	)

Translates the browse paths.

Parameters

startingNodeId	The starting node.
browsePaths	A list of browse paths to translate.
namespaceUris	The table of namespace referenced by the browse paths (if null the session namespace table is assumed).
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns

void UnifiedAutomation.UaClient.Session.UnregisterNodes	(	IList< NodeId >	nodesToUnregister,
		RequestSettings	settings
	)

Registers the nodes.

Parameters

nodesToUnregister	The nodes to unregister.
settings	The settings.

List<StatusCode> UnifiedAutomation.UaClient.Session.Write	(	IList< WriteValue >	nodesToWrite,
		RequestSettings	settings
	)

Writes attributes synchronously to OPC server. The Write Service is used to write one or more attributes of one or more nodes. For the Value Attribute the Write rights are indicated by the AccessLevel and UserAccessLevel Attribute of the Variable.

Parameters

nodesToWrite	List of nodes and attributes to write.
settings	The general settings for the request. If null the default settings from poperty DefaultRequestSettings are used.

Returns: List of StatusCode that indicate the successes of the writes to each node.

List<StatusCode> UnifiedAutomation.UaClient.Session.Write ( IList< WriteValue > nodesToWrite )

This is an overloaded function. See Write for more details.

Parameters

nodesToWrite The nodes to write.

Returns

Property Documentation

IList<string> UnifiedAutomation.UaClient.Session.AlternativeEndpointUrls

getset

Gets or sets the alternative endpoint urls.

The alternative endpoint urls.

ApplicationInstance UnifiedAutomation.UaClient.Session.Application

getset

Gets the application.

bool UnifiedAutomation.UaClient.Session.AutomaticReconnect

getset

Gets or sets a value indicating whether the session should automatically reconnect on error.

true if the session should automatically reconnect; otherwise, false.

CacheManager UnifiedAutomation.UaClient.Session.Cache

getset

Gets the cache manager.

ServerConnectionStatus UnifiedAutomation.UaClient.Session.ConnectionStatus

getset

Gets the server connection status.

The server connection status.

RequestSettings UnifiedAutomation.UaClient.Session.DefaultRequestSettings

getset

Gets or sets the default request settings.

The default request settings.

TimestampsToReturn UnifiedAutomation.UaClient.Session.DefaultTimestampToReturn

getset

Gets or sets the default timestamp to return.

The default timestamp to return.

EndpointDescription UnifiedAutomation.UaClient.Session.EndpointDescription

getset

Gets or sets the endpoint description.

The endpoint description.

EncodeableFactory UnifiedAutomation.UaClient.Session.Factory

get

Gets the dictionary of data types known to the stack.

MessageContext UnifiedAutomation.UaClient.Session.MessageContext

get

Gets the message context.

ModelManager UnifiedAutomation.UaClient.Session.Model

getset

Gets the model manager.

NamespaceTable UnifiedAutomation.UaClient.Session.NamespaceUris

get

Gets the namespace uris.

IList<string> UnifiedAutomation.UaClient.Session.PreferredLocales

getset

Gets or sets the preferred locales.

The preferred locales.

uint UnifiedAutomation.UaClient.Session.PublishPipelineDepth

getset

Gets or sets the publish pipeline depth.

The publish pipeline depth.

uint UnifiedAutomation.UaClient.Session.ReconnectDelay

getset

Gets or sets the delay between reconnect attempts.

The delay between reconnect attempts.

int UnifiedAutomation.UaClient.Session.SecureChannelLifetime

getset

Gets or sets the secure channel lifetime.

The secure channel lifetime.

int UnifiedAutomation.UaClient.Session.SecureChannelTimeout

getset

Gets or sets the secure channel timeout.

The secure channel timeout.

StringTable UnifiedAutomation.UaClient.Session.ServerUris

get

Gets the server uris.

NodeId UnifiedAutomation.UaClient.Session.SessionId

get

Gets the session id.

string UnifiedAutomation.UaClient.Session.SessionName

getset

Gets or sets the name of the session.

The name of the session.

int UnifiedAutomation.UaClient.Session.SessionTimeout

getset

Gets or sets the session timeout.

The session timeout.

Object UnifiedAutomation.UaClient.Session.UserData

getset

Gets or sets the user data.

The user data.

UserIdentity UnifiedAutomation.UaClient.Session.UserIdentity

getset

Gets or sets the user identity.

The user identity.

uint UnifiedAutomation.UaClient.Session.WatchdogCycleTime

getset

Gets or sets the watchdog cycle time.

The watchdog cycle time.

uint UnifiedAutomation.UaClient.Session.WatchdogTimeout

getset

Gets or sets the watchdog timeout.

The watchdog timeout.

Event Documentation

ServerConnectionStatusUpdateEventHandler UnifiedAutomation.UaClient.Session.ConnectionStatusUpdate

Raised when the connection status has been updated.

SessionValidationEventHandler UnifiedAutomation.UaClient.Session.SessionValidationError

Raised when a non-fatal error occurs during session establishment.

The documentation for this class was generated from the following file:

C:/work/uasdknet/src/UaClient/Session.cs

Public Member Functions

Properties

Events

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