Finds all application certificate sub-ids.
            
            
            Syntax
            
        
            
            
            Return Value
Returns a set of strings that contains sub-ids of all application certificates present in the certificate store.
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 | 
| 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