Gets a dictionary of certificate subject names corresponding to all application certificate sub-ids.
            
            
            Syntax
            
        
            
            
            Return Value
Returns a dictionary keyed by the certificate sub-ids where the values are the certificate subject names.
This method never returns null (Nothing in Visual Basic).
The individual elements of the returned value are never null (Nothing in Visual Basic).
 
            Exceptions
| Exception | Description | 
|---|
| System.Exception | An error has occurred during application execution. | 
| System.ArgumentNullException | 
            A nullreference (Nothingin 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
            
            See Also