Reference

OpcMethodCommands Members

Type

OpcMethodCommands

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Properties

NotImplemented

static

Gets an IOpcMethodCommand its executability evaluates to the value true while its implementation always returns the OPC UA related OpcResult using the OpcStatusCode member BadNotImplemented. Use this command in case there the method implementation is still in progress.

public static IOpcMethodCommand NotImplemented { get; }

Public Shared ReadOnly Property NotImplemented As IOpcMethodCommand

Property value

IOpcMethodCommand

An executable command its execution results to BadNotImplemented.

Methods

Execute

static · since v2.24

Provides an IOpcMethodCommand is executability evaluates to the value true while its implementation invokes the callback specified.

public static IOpcMethodCommand Execute(
    OpcMethodCommands.ExecuteDelegate callback)

Public Shared Function Execute(
    callback As OpcMethodCommands.ExecuteDelegate) As IOpcMethodCommand

Parameters

Name	Type	Description
callback	OpcMethodCommands.ExecuteDelegate	The OpcMethodCommands.ExecuteDelegate to invoke whenever the command is executed.

Returns

IOpcMethodCommand

A new instance of an executable command its execution will invoke the callback specified.

Exceptions

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

ExecuteAsync

static · since v2.24

Provides an IOpcAsyncMethodCommand is executability evaluates to the value true while its implementation invokes the callback specified.

public static IOpcAsyncMethodCommand ExecuteAsync(
    OpcMethodCommands.ExecuteAsyncDelegate callback)

Public Shared Function ExecuteAsync(
    callback As OpcMethodCommands.ExecuteAsyncDelegate) As IOpcAsyncMethodCommand

Parameters

Name	Type	Description
callback	OpcMethodCommands.ExecuteAsyncDelegate	The OpcMethodCommands.ExecuteAsyncDelegate to invoke whenever the command is executed.

Returns

IOpcAsyncMethodCommand

A new instance of an executable command its execution will invoke the async callback specified.

Exceptions

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