QuickOPC User's Guide and Reference
GetCertificateSubjectNameDictionary Method (IEasyUAClientServerApplicationExtension)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Application.Extensions Namespace > IEasyUAClientServerApplicationExtension Class : GetCertificateSubjectNameDictionary Method
The OPC UA client/server application object that will perform the operation.
Gets a dictionary of certificate subject names corresponding to all application certificate sub-ids.
Syntax
'Declaration
 
<ExtensionAttribute()>
<ElementsNotNullAttribute()>
<NotNullAttribute()>
Public Shared Function GetCertificateSubjectNameDictionary( _
   ByVal application As IEasyUAClientServerApplication _
) As IReadOnlyDictionary(Of String,String)
'Usage
 
Dim application As IEasyUAClientServerApplication
Dim value As IReadOnlyDictionary(Of String,String)
 
value = IEasyUAClientServerApplicationExtension.GetCertificateSubjectNameDictionary(application)
[Extension()]
[ElementsNotNull()]
[NotNull()]
public static IReadOnlyDictionary<string,string> GetCertificateSubjectNameDictionary( 
   IEasyUAClientServerApplication application
)
[Extension()]
[ElementsNotNull()]
[NotNull()]
public:
static IReadOnlyDictionary<String^,String^>^ GetCertificateSubjectNameDictionary( 
   IEasyUAClientServerApplication^ application
) 

Parameters

application
The OPC UA client/server application object that will perform the operation.

Return Value

Returns a dictionary keyed by the certificate sub-ids where the values are the certificate subject names.
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.

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

See Also