Reference

OpcWriteNodesRequest Members

Type

OpcWriteNodesRequest

Namespace

Opc.UaFx.Services

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Inherits members from OpcServiceRequest<OpcWriteNode, OpcWriteNodeCollection>, OpcServiceRequest.

Constructors

OpcWriteNodesRequest

4 overloads

Overload	Description
OpcWriteNodesRequest(IEnumerable<OpcWriteNode>)	Initializes a new instance of the OpcWriteNodesRequest class using the specified commands and a new header.
OpcWriteNodesRequest(params OpcWriteNode[])	Initializes a new instance of the OpcWriteNodesRequest class using the specified commands and a new header.
OpcWriteNodesRequest(IOpcServiceRequestHeader, IEnumerable<OpcWriteNode>)since v2.7	Initializes a new instance of the OpcWriteNodesRequest class using the specified header and commands.
OpcWriteNodesRequest(IOpcServiceRequestHeader, params OpcWriteNode[])since v2.7	Initializes a new instance of the OpcWriteNodesRequest class using the specified header and commands.

OpcWriteNodesRequest(IEnumerable<OpcWriteNode>)

Initializes a new instance of the OpcWriteNodesRequest class using the specified commands and a new header.

public OpcWriteNodesRequest(IEnumerable<OpcWriteNode> commands)

Public Sub New(commands As IEnumerable(Of OpcWriteNode))

Parameters

Name	Type	Description
commands	IEnumerable<OpcWriteNode>	The commands which specify the attributes and values to write.

Exceptions

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

OpcWriteNodesRequest(params OpcWriteNode[])

Initializes a new instance of the OpcWriteNodesRequest class using the specified commands and a new header.

public OpcWriteNodesRequest(params OpcWriteNode[] commands)

Public Sub New(ParamArray commands As OpcWriteNode())

Parameters

Name	Type	Description
commands	params OpcWriteNode[]	The commands which specify the attributes and values to write.

Exceptions

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

OpcWriteNodesRequest(IOpcServiceRequestHeader, IEnumerable<OpcWriteNode>)

since v2.7

Initializes a new instance of the OpcWriteNodesRequest class using the specified header and commands.

public OpcWriteNodesRequest(
    IOpcServiceRequestHeader header,
    IEnumerable<OpcWriteNode> commands)

Public Sub New(
    header As IOpcServiceRequestHeader,
    commands As IEnumerable(Of OpcWriteNode))

Parameters

Name	Type	Description
header	IOpcServiceRequestHeader	The header of the request.
commands	IEnumerable<OpcWriteNode>	The commands which specify the attributes and values to write.

Exceptions

Exception	Condition
ArgumentNullException	The header or the commands is a null reference (Nothing in Visual Basic).

OpcWriteNodesRequest(IOpcServiceRequestHeader, params OpcWriteNode[])

since v2.7

Initializes a new instance of the OpcWriteNodesRequest class using the specified header and commands.

public OpcWriteNodesRequest(
    IOpcServiceRequestHeader header,
    params OpcWriteNode[] commands)

Public Sub New(
    header As IOpcServiceRequestHeader,
    ParamArray commands As OpcWriteNode())

Parameters

Name	Type	Description
header	IOpcServiceRequestHeader	The header of the request.
commands	params OpcWriteNode[]	The commands which specify the attributes and values to write.

Exceptions

Exception	Condition
ArgumentNullException	The header or the commands is a null reference (Nothing in Visual Basic).

Methods

Validate

protected · override · since v2.50

Validates the request before a server processes it.

protected override void Validate()

Protected Overrides Sub Validate()

Overrides

Validate

Remarks

A server rejects the request with BadNothingToDo if it contains no commands; then none of the commands is executed.