Reference

OpcCallMethodsRequest Members

Type

OpcCallMethodsRequest

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<OpcCallMethod, OpcCallMethodCollection>, OpcServiceRequest.

Constructors

OpcCallMethodsRequest

4 overloads · since v2.8

Overload	Description
OpcCallMethodsRequest(IEnumerable<OpcCallMethod>)since v2.8	Initializes a new instance of the OpcCallMethodsRequest class using the specified commands and a new header.
OpcCallMethodsRequest(params OpcCallMethod[])since v2.8	Initializes a new instance of the OpcCallMethodsRequest class using the specified commands and a new header.
OpcCallMethodsRequest(IOpcServiceRequestHeader, IEnumerable<OpcCallMethod>)since v2.8	Initializes a new instance of the OpcCallMethodsRequest class using the specified header and commands.
OpcCallMethodsRequest(IOpcServiceRequestHeader, params OpcCallMethod[])since v2.8	Initializes a new instance of the OpcCallMethodsRequest class using the specified header and commands.

OpcCallMethodsRequest(IEnumerable<OpcCallMethod>)

since v2.8

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

public OpcCallMethodsRequest(IEnumerable<OpcCallMethod> commands)

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

Parameters

Name	Type	Description
commands	IEnumerable<OpcCallMethod>	The commands which specify the methods to call and their input arguments.

Exceptions

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

OpcCallMethodsRequest(params OpcCallMethod[])

since v2.8

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

public OpcCallMethodsRequest(params OpcCallMethod[] commands)

Public Sub New(ParamArray commands As OpcCallMethod())

Parameters

Name	Type	Description
commands	params OpcCallMethod[]	The commands which specify the methods to call and their input arguments.

Exceptions

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

OpcCallMethodsRequest(IOpcServiceRequestHeader, IEnumerable<OpcCallMethod>)

since v2.8

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

public OpcCallMethodsRequest(
    IOpcServiceRequestHeader header,
    IEnumerable<OpcCallMethod> commands)

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

Parameters

Name	Type	Description
header	IOpcServiceRequestHeader	The header of the request.
commands	IEnumerable<OpcCallMethod>	The commands which specify the methods to call and their input arguments.

Exceptions

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

OpcCallMethodsRequest(IOpcServiceRequestHeader, params OpcCallMethod[])

since v2.8

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

public OpcCallMethodsRequest(
    IOpcServiceRequestHeader header,
    params OpcCallMethod[] commands)

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

Parameters

Name	Type	Description
header	IOpcServiceRequestHeader	The header of the request.
commands	params OpcCallMethod[]	The commands which specify the methods to call and their input arguments.

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 or if the ObjectId or the MethodId of a command is a null identifier; then none of the commands is executed.