QuickOPC User's Guide and Reference
AsPublishSubscribeClient Method (IEasyUAClientExtension)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > IEasyUAClientExtension Class : AsPublishSubscribeClient Method
The client object that will perform the operation.
Derives an OPC UA publish-subscribe client object from the current client object.
Syntax
'Declaration
 
<ExtensionAttribute()>
<NotNullAttribute()>
Public Shared Function AsPublishSubscribeClient( _
   ByVal client As IEasyUAClient _
) As IEasyUAPublishSubscribeClient
'Usage
 
Dim client As IEasyUAClient
Dim value As IEasyUAPublishSubscribeClient
 
value = IEasyUAClientExtension.AsPublishSubscribeClient(client)
[Extension()]
[NotNull()]
public static IEasyUAPublishSubscribeClient AsPublishSubscribeClient( 
   IEasyUAClient client
)
[Extension()]
[NotNull()]
public:
static IEasyUAPublishSubscribeClient^ AsPublishSubscribeClient( 
   IEasyUAClient^ client
) 

Parameters

client
The client object that will perform the operation.

Return Value

The OPC UA publish-subscribe client object derived from the current client object.
Exceptions
ExceptionDescription

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.

Requirements

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

See Also