	Name	Description
	PullDataChangeNotificationQueueCapacity	Capacity of the event pull queue for data change notifications.
	PullEventNotificationQueueCapacity	Capacity of the event pull queue for event notifications.

	Name	Description
	BrowseMultiple	Browses multiples nodes in server's address space. Starts from the specified nodes, and returns information about child nodes found.
	CallMultipleMethods	Calls multiple methods, using array of argument objects as an input.
	ChangeMultipleMonitoredItemSubscriptions	Changes parameters of multiple subscriptions, specifying objects containing all necessary arguments.
	Discover	Discovers available OPC-UA applications or endpoints and returns information about them, using the specified discovery query.
	Dispose	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. (Inherited from System.IDisposable)
	GetMonitoredItemArguments	Obtains parameters of certain monitored item subscription.
	GetMonitoredItemArgumentsDictionary	Obtains information about all monitored item subscriptions on this IEasyUAClient object.
	GetService	Gets the service object of the specified type. (Inherited from System.IServiceProvider)
	IsKnownMonitoredItemSubscriptionHandle	Determines whether the given monitored item subscription handle is known to this client.
	PullMultipleDataChangeNotifications	Attempts to pull multiple OPC data change notifications subscribed to by the SubscribeMultipleMonitoredItems or SubscribeDataChange method.
	PullMultipleEventNotifications	Attempts to pull multiple OPC event notifications subscribed to by the SubscribeMultipleMonitoredItems or SubscribeEvent method.
	ReadMultiple	Reads multiple attributes, using array of argument objects as an input.
	SubscribeMultipleMonitoredItems	Subscribe to changes of multiple monitored items. The EasyUAClientCore.DataChangeNotification or EasyUAClientCore.EventNotification event is generated for each significant monitored item change.
	UnsubscribeAllMonitoredItems	Unsubscribe from changes of all monitored items.
	UnsubscribeMultipleMonitoredItems	Unsubscribe from changes of multiple monitored items, specifying an "enumerable" of integer handles.
	WriteMultiple	Writes data into multiple attributes, using array of argument objects as an input.

	Name	Description
	AsAlarmsAndConditionsClient	Derives an OPC UA global discovery client object from the current client object.
	AsCertificateManagementClient	Derives an OPC UA certificate management client object from the current client object.
	AsFileTransferClient	Derives an OPC UA file transfer client object from the current client object.
	AsGlobalDiscoveryClient	Derives an OPC UA global discovery client object from the current client object.
	AsPublishSubscribeClient	Derives an OPC UA publish-subscribe client object from the current client object.
	Browse	Overloaded. Browses the nodes in server's address space, given the browse arguments.
	BrowseDataNodes	Overloaded. Browses the data nodes in OPC server's address space. Starts from the specified node (or Objects folder), and returns information about child nodes found.
	BrowseDataVariables	Overloaded. Browses the Data Variables in OPC server's address space. Starts from the specified node (or Objects folder), and returns information about child nodes found.
	BrowseEventSources	Overloaded. Browses the EventSources in OPC server's address space. Starts from the specified node (or EventSources folder), and returns information about child nodes found.
	BrowseMethods	Overloaded. Browses the Methods in OPC server's address space. Starts from the specified node (or Objects folder), and returns information about child nodes found.
	BrowseNotifiers	Overloaded. Browses the Notifiers in OPC server's address space. Starts from the specified node (or Notifiers folder), and returns information about child nodes found.
	BrowseObjects	Overloaded. Browses the Objects in OPC server's address space. Starts from the specified node (or Objects folder), and returns information about child nodes found.
	BrowseObjectTypes	Overloaded. Browses the ObjectTypes in OPC server's address space. Starts from the specified node (or ObjectTypes folder), and returns information about child nodes found.
	BrowseOne	Overloaded. Browses the nodes in server's address space. Starts from the specified node, and returns information about child nodes found.
	BrowseProperties	Overloaded. Browses the Properties in OPC server's address space. Starts from the specified node (or Objects folder), and returns information about child nodes found.
	BrowseTree	Overloaded. Allows to traverse through OPC UA address space nodes under the specified node, using given browse arguments.
	BrowseVariables	Overloaded. Browses the Variables in OPC server's address space. Starts from the specified node (or Objects folder), and returns information about child nodes found.
	CallMethod	Overloaded. Calls (invokes) a method (or methods) in an OPC server. This method calls (invokes) a method (or methods) in an OPC server. Input and output arguments can be passed to/from methods.
	ChangeDataChangeSubscription	Changes parameters of a data change subscription. Specify the handle, a new sampling interval and absolute deadband value.
	ChangeMonitoredItemSubscription	Overloaded. Changes parameters of a subscription to a particular monitored item. It is more efficient to change multiple subscriptions using `MultipleMonitoredItemSubscriptions` method.
	ChangeMultipleDataChangeSubscriptions	Changes parameters of multiple data change subscriptions. Specify the handles, a new sampling interval and absolute deadband value.
	ChangeMultipleMonitoredItemSubscriptions	Overloaded. Changes parameters of multiple subscriptions. Specify the handles, and a new sampling interval.
	DiscoverGlobalApplications	Overloaded. Globally discovers OPC-UA applications, using the specified GDS endpoint. This method globally discovers OPC-UA applications that meet the specified filters and returns information about them, using the specified GDS endpoint.
	DiscoverGlobalServers	Overloaded. Globally discovers OPC-UA servers, using the specified GDS endpoint. This method globally discovers OPC-UA servers and returns information about them, using the specified GDS endpoint, and an empty filter.
	DiscoverLocalApplications	Overloaded. Discovers OPC-UA applications available on the discovery host. This method discovers available OPC-UA applications and returns information about them, using the specified discovery host, and filtering by specified application types. It uses the so-called Local Discovery Server (LDS). You can influence how the discovery works using the properties in static EasyUAClientCore.SharedParameters. Invokes the FindServers service. See also in Knowledge Base: Technical note-OPC UA Discovery in QuickOPC.
	DiscoverLocalEndpoints	Overloaded. Discovers available endpoints for a given server discovery URL. The query is performed using a GetEndpoints service of an OPC server specified by its discovery endpoint. See also in Knowledge Base: Technical note-OPC UA Discovery in QuickOPC.
	DiscoverLocalServers	Overloaded. Discovers OPC-UA servers available on the discovery host. This method discovers OPC-UA servers and returns information about them, using the specified discovery host. It uses the so-called Local Discovery Server (LDS). You can influence how the discovery works using the properties in static EasyUAClientCore.SharedParameters. Invokes the FindServers service. See also in Knowledge Base: Technical note-OPC UA Discovery in QuickOPC.
	DiscoverNetworkServers	Overloaded. Discovers available OPC-UA servers on the network. This method discovers available OPC-UA servers on the network and returns information about them. It uses the so-called Local Discovery Server with Multicast Extensions (LDS-NE). You can influence how the discovery works using the properties in EasyUAClientCore.SharedParameters. Invokes the FindServersOnNetwork service. See also in Knowledge Base: Technical note-OPC UA Discovery in QuickOPC.
	FindLocalApplications	Overloaded. Discovers available OPC-UA applications, using the specified discovery URI strings. This method discovers available OPC-UA applications and returns information about them, using the specified discovery URI strings and filtering by specified application types. It uses the discovery services on specified discovery endpoints. Invokes the FindServers service. The discovery may be attempted in parallel on the specified endpoints, depending on component settings. See also in Knowledge Base: Technical note-OPC UA Discovery in QuickOPC.
	GetRequiredServiceNonNull	Overloaded. Gets the required service object of the specified type.
	NodeExists	Determines whether a node exists in an OPC-UA server.
	PullDataChangeNotification	Attempts to pull an OPC data change notification subscribed to by the SubscribeMultipleMonitoredItems or SubscribeDataChange method.
	PullEventNotification	Attempts to pull an OPC event notification subscribed to by the SubscribeMultipleMonitoredItems or SubscribeEvent method.
	Read	Overloaded. Reads attribute data from an OPC server. Value, status code, and timestamps are returned.
	ReadDataType	Overloaded. Reads a value of DataType attribute of a node. If successful, the method returns the actual value of OPC attribute requested. This method also checks whether the returned value is not a `reference`, and is indeed of the OpcLabs.EasyOpc.UA.AddressSpace.UANodeId type. The returned value is therefore always a valid OpcLabs.EasyOpc.UA.AddressSpace.UANodeId.
	ReadDisplayName	Overloaded. Reads a value of DisplayName attribute of a node. If successful, the method returns the actual value of OPC attribute requested. This method also checks whether the returned value is not a `reference`, and is indeed of the System.String type. The returned value is therefore always a valid System.String.
	ReadMultiple	Overloaded. Reads values of multiple attributes.
	ReadMultipleDataTypes	Reads value of DataType attribute of multiple nodes, using array of argument objects as an input.
	ReadMultipleDisplayNames	Reads value of DisplayName attribute of multiple nodes, using array of argument objects as an input.
	ReadMultipleNodeClasses	Reads value of NodeClass attribute of multiple nodes, using array of argument objects as an input.
	ReadMultipleNodeIds	Reads value of NodeId attribute of multiple nodes, using array of argument objects as an input.
	ReadMultipleValues	Overloaded. Reads values of multiple attributes.
	ReadNodeClass	Overloaded. Reads a value of NodeClass attribute of a node. If successful, the method returns the actual value of OPC attribute requested. This method also checks whether the returned value is not a `reference`, and is indeed of the OpcLabs.EasyOpc.UA.AddressSpace.UANodeClass type. The returned value is therefore always a valid OpcLabs.EasyOpc.UA.AddressSpace.UANodeClass.
	ReadNodeId	Overloaded. Reads a value of NodeId attribute of a node. If successful, the method returns the actual value of OPC attribute requested. This method also checks whether the returned value is not a `reference`, and is indeed of the OpcLabs.EasyOpc.UA.AddressSpace.UANodeId type. The returned value is therefore always a valid OpcLabs.EasyOpc.UA.AddressSpace.UANodeId.
	ReadOne	Overloaded. Reads an OPC-UA attribute from a single node, returning attribute data result.
	ReadOneValue	Overloaded. Reads a value of an attribute (default is Value attribute) and converts it to the specified type, returning value result.
	ReadOneValueNonNull	Overloaded. Reads a value of an attribute (default is Value attribute), converts it to the specified type, and ensures it is not null, returning value result.
	ReadOptionalValue	Overloaded. Reads a value of an attribute and converts it to the specified type, returning value result, or null if the node does not exist.
	ReadValue	Overloaded. Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). The status code must be 'good' for this method to succeed; otherwise, a OpcLabs.EasyOpc.UA.OperationModel.UAException is thrown.
	ReadValue	Overloaded. Reads a value of an attribute (default is Value attribute), converts it to the specified type, and throws an exception if the operation fails.
	ReadValueNonNull	Overloaded. Reads a value of an attribute (default is Value attribute), converts it to the specified type, ensures it is not null, and throws an exception if the operation fails.
	RetrieveAllDataTypes	Overloaded. Retrieves all datatype subtypes. The starting node is included as the first element in the result value.
	SubscribeDataChange	Overloaded. Subscribe to a data change. Specify an endpoint descriptor, node id, and sampling interval.
	SubscribeEvent	Overloaded. Subscribe to an event. Specify an endpoint descriptor, node id, and sampling interval.
	SubscribeMonitoredItem	Overloaded. Subscribe to changes of a particular monitored item. For each significant monitored item change, either the IEasyUAClient.DataChangeNotification event is generated, or a specified callback method is invoked. It is more efficient to subscribe to multiple monitored items using SubscribeMultipleMonitoredItems method.
	SubscribeMultipleDataChanges	Subscribe to changes of multiple OPC monitored items with a data change callback method. The IEasyUAClient.DataChangeNotification event will be generated for each significant item change, and a specified callback method will be invoked.
	SubscribeMultipleEvents	Subscribe to changes of multiple OPC monitored items with an event notification callback method. The IEasyUAClient.EventNotification event will be generated for each significant item change, and a specified callback method will be invoked.
	SubscribeMultipleMonitoredItems	Subscribe to changes of multiple OPC monitored items. The IEasyUAClient.DataChangeNotification or IEasyUAClient.EventNotification event will be generated for each significant item change.
	TestEndpoint	Tests whether an operational connection can be established to the specified endpoint of an OPC UA server.
	TestEndpointServiceLevel	Tests whether an operational connection can be established to the specified endpoint of an OPC UA server.
	TryGetRequiredService<TService>	Tries to get the required service object of the specified type, casting it to the same type.
	UnsubscribeMonitoredItem	Unsubscribe from changes of a particular monitored item. Unsubscribe from monitored item, specifying its handle.
	WaitForMultiple	Overloaded. Waits until the attributes satisfy the given conditions. The WaitForMultiple methods subscribe to the specified nodes&attributes, and monitor their data until the predicates specified for each item become true, or the alloted time elapses.
	WaitForMultipleValues	Overloaded. Waits while the attributes are above the given maximum status severity. The WaitForMultipleValues subscribes to the specified OPC-UA nodes&attributes, and monitor their data until they have at most the status severity specified for each item, an error occurs, or the alloted time elapses.
	WaitForValue	Overloaded. Waits until the specified attribute becomes "good". The WaitForValue methods subscribe to the specified node&attribute, and monitor its data until it has "good" status severity, an error occurs, or the alloted time elapses.
	Write	Overloaded. Writes into an attribute in an OPC server. Value, status code and timestamps are written.
	WriteMultipleValues	Writes values into multiple attributes, using array of argument objects as an input (status codes and timestamps are not written).
	WriteValue	Overloaded. Writes a value into an attribute an OPC server. Only the item value is written (status code and timestamps are not written).

	Name	Description
	DataChangeNotification	Raised for every significant change in a subscribed OPC monitored item.
	EventingFailure	Raised when a failure in the eventing infrastructure occurs.
	EventNotification	Raised for every event generated by a subscribed OPC monitored item.

Reference