Reference

OpcClient.SubscribeDataChange Method

Type: OpcClient
Namespace: Opc.UaFx.Client
Assembly: Opc.UaFx.Advanced.dll
Package: Opc.UaFx.Advanced v2.59.0
Members: OpcClient Members
Also in: Opc.UaFx.Client

66 overloads

Overload	Description
SubscribeDataChange(byte[], OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(Guid, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(int, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(uint, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(string, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(int, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(uint, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(string, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(byte[], int, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified to operate on the Value attribute.
SubscribeDataChange(Guid, int, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified to operate on the Value attribute.
SubscribeDataChange(int, int, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified to operate on the Value attribute.
SubscribeDataChange(uint, int, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified to operate on the Value attribute.
SubscribeDataChange(string, int, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified to operate on the Value attribute.
SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified to operate on the `attribute`.
SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified to operate on the `attribute`.
SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified to operate on the `attribute`.
SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified to operate on the `attribute`.
SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified to operate on the `attribute`.
SubscribeDataChange(byte[], OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(byte[], OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(Guid, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(Guid, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(uint, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(uint, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(string, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(string, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(byte[], int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(byte[], int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(Guid, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(Guid, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(int, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(int, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(uint, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(uint, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(string, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(string, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(uint, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(uint, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(string, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(string, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId` and `namespaceIndex` specified.
SubscribeDataChange(OpcNodeId, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(OpcNodeId, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(OpcNodeId, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the Value attribute of the node specified by `nodeId`.
SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)	Subscribes data changes on the `attribute` of the node specified by `nodeId`.
SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)since v2.6	Subscribes data changes on the `attribute` of the node specified by `nodeId`.

Exceptions (all overloads)

Exception	Condition
ArgumentException	The `nodeId` is empty.
InvalidOperationException	The subscription service is currently not supported, especially using the arguments specified.
ObjectDisposedException	The object has been disposed of.
OpcException	The service execution failed upon different circumstances; for more details see exception details. The following issues can lead to that exception: BadNothingToDo, BadTooManyOperations, BadTimestampsToReturnInvalid, BadSubscriptionIdInvalid, BadMonitoringModeInvalid, BadNodeIdInvalid, BadNodeIdUnknown, BadAttributeInvalid, BadIndexRangeInvalid, BadIndexRangeNoData, BadDataEncodingInvalid, BadDataEncodingUnsupported, BadMonitoredItemFilterInvalid, BadMonitoredItemFilterUnsupported, BadFilterNotAllowed, BadTooManySubscriptions and BadTooManyMonitoredItems.

SubscribeDataChange(byte[], OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

A new instance of the OpcSubscription class with a single OpcMonitoredItem setup with the information specified. The kind of monitored item will when monitor data changes performed on the node identified by the values passed to this method.

SubscribeDataChange(Guid, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], int, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified to operate on the Value attribute.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    int namespaceIndex,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    namespaceIndex As Integer,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, int, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified to operate on the Value attribute.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    int namespaceIndex,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    namespaceIndex As Integer,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, int, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified to operate on the Value attribute.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    int namespaceIndex,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    namespaceIndex As Integer,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, int, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified to operate on the Value attribute.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    int namespaceIndex,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    namespaceIndex As Integer,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, int, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified to operate on the Value attribute.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    int namespaceIndex,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    namespaceIndex As Integer,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified to operate on the attribute.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified to operate on the attribute.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified to operate on the attribute.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified to operate on the attribute.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified to operate on the attribute.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    int namespaceIndex,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    namespaceIndex As Integer,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    int namespaceIndex,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    namespaceIndex As Integer,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    int namespaceIndex,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    namespaceIndex As Integer,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    int namespaceIndex,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    namespaceIndex As Integer,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    int namespaceIndex,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    namespaceIndex As Integer,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    int namespaceIndex,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    namespaceIndex As Integer,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    int namespaceIndex,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    namespaceIndex As Integer,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    int namespaceIndex,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    namespaceIndex As Integer,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    int namespaceIndex,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    namespaceIndex As Integer,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    int namespaceIndex,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    namespaceIndex As Integer,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    byte[] nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Byte(),
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Byte[]	The opaque node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    Guid nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Guid,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Guid	The general unique identifier (= GUID) of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    int nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As Integer,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	Int32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    uint nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As UInteger,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	UInt32	The numeric node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId and namespaceIndex specified.

csharp

public OpcSubscription SubscribeDataChange(
    string nodeId,
    int namespaceIndex,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As String,
    namespaceIndex As Integer,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	String	The textual node identifier of the node to subscribe.
`namespaceIndex`	Int32	The index of the namespace within that the node with the `nodeId` specified can be located.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

SubscribeDataChange(OpcNodeId, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    OpcNodeId nodeId,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As OpcNodeId,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	OpcNodeId	The OpcNodeId of the node on which the service, who will execute this command, will operate on its Value attribute.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

Exceptions

Exception	Condition
ArgumentNullException	The `nodeId` is a null reference (Nothing in Visual Basic).

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    OpcNodeId nodeId,
    OpcAttribute attribute,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As OpcNodeId,
    attribute As OpcAttribute,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	OpcNodeId	The OpcNodeId of the node on which the service, who will execute this command, will operate on its `attribute`.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

Exceptions

Exception	Condition
ArgumentNullException	The `nodeId` is a null reference (Nothing in Visual Basic).

SubscribeDataChange(OpcNodeId, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    OpcNodeId nodeId,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As OpcNodeId,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	OpcNodeId	The OpcNodeId of the node on which the service, who will execute this command, will operate on its Value attribute.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

Exceptions

Exception	Condition
ArgumentNullException	The `nodeId` is a null reference (Nothing in Visual Basic).

SubscribeDataChange(OpcNodeId, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the Value attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    OpcNodeId nodeId,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As OpcNodeId,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	OpcNodeId	The OpcNodeId of the node on which the service, who will execute this command, will operate on its Value attribute.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

Exceptions

Exception	Condition
ArgumentNullException	The `nodeId` is a null reference (Nothing in Visual Basic).

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    OpcNodeId nodeId,
    OpcAttribute attribute,
    OpcDataChangeFilter filter,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As OpcNodeId,
    attribute As OpcAttribute,
    filter As OpcDataChangeFilter,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	OpcNodeId	The OpcNodeId of the node on which the service, who will execute this command, will operate on its `attribute`.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`filter`	OpcDataChangeFilter	The OpcDataChangeFilter to be used by the server's subscription to - which the monitored item belongs - to filter the monitored data before it is reported to the client, which owns the monitored item.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

Exceptions

Exception	Condition
ArgumentNullException	The `nodeId` is a null reference (Nothing in Visual Basic).

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

since v2.6

Subscribes data changes on the attribute of the node specified by nodeId.

csharp

public OpcSubscription SubscribeDataChange(
    OpcNodeId nodeId,
    OpcAttribute attribute,
    OpcDataChangeTrigger trigger,
    OpcDataChangeReceivedEventHandler received)

vbnet

Public Function SubscribeDataChange(
    nodeId As OpcNodeId,
    attribute As OpcAttribute,
    trigger As OpcDataChangeTrigger,
    received As OpcDataChangeReceivedEventHandler) As OpcSubscription

Parameters

Name	Type	Description
`nodeId`	OpcNodeId	The OpcNodeId of the node on which the service, who will execute this command, will operate on its `attribute`.
`attribute`	OpcAttribute	One of the members defined by the OpcAttribute enumeration that defines which node attribute is to be used by the subscription.
`trigger`	OpcDataChangeTrigger	The conditions used by the server under which a data change is to be reported.
`received`	OpcDataChangeReceivedEventHandler	The OpcDataChangeReceivedEventHandler method to assign as the event handler of the DataChangeReceived event or a null reference (Nothing in Visual Basic) if there no event handler is to be assigned first.

Returns

OpcSubscription

Exceptions

Exception	Condition
ArgumentNullException	The `nodeId` is a null reference (Nothing in Visual Basic).

OpcClient.SubscribeDataChange Method

OpcClient.SubscribeDataChange Method ​

SubscribeDataChange(byte[], OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], int, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, int, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, int, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, int, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, int, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(OpcNodeId, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(OpcNodeId, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(OpcNodeId, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler) ​

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler) ​

OpcClient.SubscribeDataChange Method

SubscribeDataChange(byte[], OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], int, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, int, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, int, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, int, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, int, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, int, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, int, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(byte[], int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(Guid, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(int, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(uint, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(string, int, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(OpcNodeId, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(OpcNodeId, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(OpcNodeId, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeFilter, OpcDataChangeReceivedEventHandler)

SubscribeDataChange(OpcNodeId, OpcAttribute, OpcDataChangeTrigger, OpcDataChangeReceivedEventHandler)