OPC Studio User's Guide and Reference
ListCertificateSubIds Method (IEasyUAClientServerApplication)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Application Namespace > IEasyUAClientServerApplication Interface : ListCertificateSubIds Method
Finds all application certificate sub-ids.
Syntax
'Declaration
 
<ElementsNotNullAttribute()>
<NotNullAttribute()>
Function ListCertificateSubIds() As StringSet
'Usage
 
Dim instance As IEasyUAClientServerApplication
Dim value As StringSet
 
value = instance.ListCertificateSubIds()
[ElementsNotNull()]
[NotNull()]
StringSet ListCertificateSubIds()
[ElementsNotNull()]
[NotNull()]
StringSet^ ListCertificateSubIds(); 

Return Value

Returns a set of strings that contains sub-ids of all application certificates present in the certificate store.
Exceptions
ExceptionDescription

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.

Remarks

The default certificate, if present in the certificate store, is represented by an empty string in the set.

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