OPC Studio User's Guide and Reference
AsGlobalDiscoveryClient Method (_EasyUAClient)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.ComTypes Namespace > _EasyUAClient Interface : AsGlobalDiscoveryClient Method
Derives an OPC UA global discovery client object from the current client object.
Syntax
'Declaration
 
<NotNullAttribute()>
Function AsGlobalDiscoveryClient() As _EasyUAGlobalDiscoveryClient
'Usage
 
Dim instance As _EasyUAClient
Dim value As _EasyUAGlobalDiscoveryClient
 
value = instance.AsGlobalDiscoveryClient()
[NotNull()]
_EasyUAGlobalDiscoveryClient AsGlobalDiscoveryClient()
[NotNull()]
_EasyUAGlobalDiscoveryClient^ AsGlobalDiscoveryClient(); 

Return Value

The OPC UA global discovery 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