GetPublishSubscribeElement Method (_EasyUAPublishSubscribeClient)

Gets the publish-subscribe object element in the PubSub information model.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<NotNullAttribute()>
Function GetPublishSubscribeElement( _
   ByVal endpointDescriptor As Object _
) As UAPublishSubscribeElement

'Usage
 
Dim instance As _EasyUAPublishSubscribeClient
Dim endpointDescriptor As Object
Dim value As UAPublishSubscribeElement
 
value = instance.GetPublishSubscribeElement(endpointDescriptor)

[NotNull()]
UAPublishSubscribeElement GetPublishSubscribeElement( 
   object endpointDescriptor
)

[NotNull()]
UAPublishSubscribeElement^ GetPublishSubscribeElement( 
   Object^ endpointDescriptor
)

Parameters

endpointDescriptor: The endpoint descriptor of the OPC UA server containing the PubSub information model.

Return Value

Returns the publish-subscribe object element.

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.
OpcLabs.EasyOpc.UA.OperationModel.UAException	The OPC UA operation has failed. This operation exception in uniformly used to allow common handling of various kinds of errors. The System.Exception.InnerException always contains information about the actual error cause. This is an operation error that depends on factors external to your program, and thus cannot be always avoided. Your code must handle it appropriately.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

OpcLabs.EasyOpc.UA.OperationModel.UAException

The OPC UA operation has failed. This operation exception in uniformly used to allow common handling of various kinds of errors. The System.Exception.InnerException always contains information about the actual error cause.

This is an operation error that depends on factors external to your program, and thus cannot be always avoided. Your code must handle it appropriately.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

_EasyUAPublishSubscribeClient Interface
_EasyUAPublishSubscribeClient Members

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