Reference
OpcReadNodeHistory Members
Represents a command which defines a node whose history is to be read using the ReadNodesHistory methods of the OpcClient.
Reference
OpcReadNodeHistory Members
- Type
- OpcReadNodeHistory
- Namespace
- Opc.UaFx.Client
- Assembly
- Opc.UaFx.Advanced.dll
- Package
- Opc.UaFx.Advanced v2.59.0
- Also in
- Opc.UaFx.Client
Inherits members from OpcNodeServiceCommand, OpcServiceCommand.
Constructors
OpcReadNodeHistory
| Overload | Description |
|---|---|
| Opc | Initializes a new instance of the OpcnodeId specified. |
| Opc | Initializes a new instance of the OpcnodeId specified. |
| Opc | Initializes a new instance of the OpcnodeId specified. |
| Opc | Initializes a new instance of the OpcnodeId and namespaceIndex specified. |
| Opc | Initializes a new instance of the OpcnodeId and namespaceIndex specified. |
OpcReadNodeHistory(OpcNodeId)
Initializes a new instance of the OpcReadNodeHistory class using the nodeId specified.
public OpcReadNodeHistory(OpcNodeId nodeId)Public Sub New(nodeId As OpcNodeId)Parameters
| Name | Type | Description |
|---|---|---|
nodeId | OpcNodeId | The OpcNodeId of the node whose history is to be read. |
Exceptions
| Exception | Condition |
|---|---|
| Argument | The nodeId is a null identifier ( |
| Argument | The nodeId is a null reference ( |
OpcReadNodeHistory(string)
Initializes a new instance of the OpcReadNodeHistory class using the nodeId specified.
public OpcReadNodeHistory(string nodeId)Public Sub New(nodeId As String)Parameters
| Name | Type | Description |
|---|---|---|
nodeId | String | The textual node identifier of the node whose history is to be read. |
Exceptions
| Exception | Condition |
|---|---|
| Argument | The nodeId is a null reference ( |
| FormatException | The nodeId is not a valid node identifier expression ( |
OpcReadNodeHistory(int)
Initializes a new instance of the OpcReadNodeHistory class using the nodeId specified.
public OpcReadNodeHistory(int nodeId)Public Sub New(nodeId As Integer)Parameters
| Name | Type | Description |
|---|---|---|
nodeId | Int32 | The numeric node identifier of the node whose history is to be read. |
Exceptions
| Exception | Condition |
|---|---|
| Argument | The node identifier specified by nodeId is a null identifier ( |
OpcReadNodeHistory(string, int)
Initializes a new instance of the OpcReadNodeHistory class using the nodeId and namespaceIndex specified.
public OpcReadNodeHistory(string nodeId, int namespaceIndex)Public Sub New(nodeId As String, namespaceIndex As Integer)Parameters
| Name | Type | Description |
|---|---|---|
nodeId | String | The textual node identifier of the node whose history is to be read. |
namespaceIndex | Int32 | The index of the namespace within that the node with the nodeId specified can be located. |
Exceptions
| Exception | Condition |
|---|---|
| Argument | The node identifier specified by nodeId and namespaceIndex is a null identifier ( |
OpcReadNodeHistory(int, int)
Initializes a new instance of the OpcReadNodeHistory class using the nodeId and namespaceIndex specified.
public OpcReadNodeHistory(int nodeId, int namespaceIndex)Public Sub New(nodeId As Integer, namespaceIndex As Integer)Parameters
| Name | Type | Description |
|---|---|---|
nodeId | Int32 | The numeric node identifier of the node whose history is to be read. |
namespaceIndex | Int32 | The index of the namespace within that the node with the nodeId specified can be located. |
Exceptions
| Exception | Condition |
|---|---|
| Argument | The node identifier specified by nodeId and namespaceIndex is a null identifier ( |

