Examples - OPC UA GDS and CM - Browse certificate groups

.NET

C#
VB.NET

// Shows how to browse and display the certificate groups available in the Certificate Manager.
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-CSharp .
// Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
// a commercial license in order to use Online Forums, and we reply to every post.

using System;
using OpcLabs.EasyOpc.UA;
using OpcLabs.EasyOpc.UA.Gds;
using OpcLabs.EasyOpc.UA.OperationModel;

namespace UADocExamples.Gds._EasyUACertificateManagementClient
{
    class BrowseCertificateGroups
    {
        public static void Main1()
        {
            // Define which GDS we will work with.
            UAEndpointDescriptor gdsEndpointDescriptor = "opc.tcp://opcua.demo-this.com:58810/GlobalDiscoveryServer";

            // Instantiate the certificate management client object.
            var certificateManagementClient = new EasyUACertificateManagementClient();

            // Browse the certificate groups available in the GDS.
            UACertificateGroupElementCollection certificateGroupElementCollection;
            try
            {
                certificateGroupElementCollection = certificateManagementClient.BrowseCertificateGroups(gdsEndpointDescriptor);
            }
            catch (UAException uaException)
            {
                Console.WriteLine("*** Failure: {0}", uaException.GetBaseException().Message);
                return;
            }

            // Display results
            foreach (UACertificateGroupElement certificateGroupElement in certificateGroupElementCollection)
            {
                Console.WriteLine(certificateGroupElement);
            }
        }
    }
}

' Shows how to browse and display the certificate groups available in the Certificate Manager.
'
' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
' OPC client and subscriber examples in VB.NET on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-VBNET .
' Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
' a commercial license in order to use Online Forums, and we reply to every post.

Imports OpcLabs.EasyOpc.UA
Imports OpcLabs.EasyOpc.UA.Discovery
Imports OpcLabs.EasyOpc.UA.Gds
Imports OpcLabs.EasyOpc.UA.OperationModel

Namespace Gds._EasyUACertificateManagementClient
    Friend Class BrowseCertificateGroups
        Public Shared Sub Main1()
            ' Define which GDS we will work with.
            Dim gdsEndpointDescriptor As UAEndpointDescriptor = "opc.tcp://opcua.demo-this.com:58810/GlobalDiscoveryServer"

            ' Instantiate the certificate management client object
            Dim certificateManagementClient = New EasyUACertificateManagementClient()

            ' Browse the certificate groups available in the GDS.
            Dim certificateGroupElementCollection As UACertificateGroupElementCollection
            Try
                certificateGroupElementCollection = certificateManagementClient.BrowseCertificateGroups(gdsEndpointDescriptor)
            Catch uaException As UAException
                Console.WriteLine("*** Failure: {0}", uaException.GetBaseException.Message)
                Exit Sub
            End Try

            ' Display results
            For Each certificateGroupElement As UACertificateGroupElement In certificateGroupElementCollection
                Console.WriteLine(certificateGroupElement)
            Next certificateGroupElement
        End Sub
    End Class
End Namespace

Python

Python (.NET)

# Shows how to browse and display the certificate groups available in the Certificate Manager.
#
# Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
# OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own
# a commercial license in order to use Online Forums, and we reply to every post.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc

# Import .NET namespaces.
from OpcLabs.EasyOpc.UA import *
from OpcLabs.EasyOpc.UA.Gds import *
from OpcLabs.EasyOpc.UA.OperationModel import *


# Define which GDS we will work with.
gdsEndpointDescriptor = UAEndpointDescriptor('opc.tcp://opcua.demo-this.com:58810/GlobalDiscoveryServer')

# Instantiate the certificate management client object.
certificateManagementClient = EasyUACertificateManagementClient()

# Browse the certificate groups available in the GDS.
try:
    certificateGroupElementCollection = certificateManagementClient.BrowseCertificateGroups(gdsEndpointDescriptor)
except UAException as uaException:
    print('*** Failure: ' + uaException.GetBaseException().Message)
    exit()

# Display results.
for certificateGroupElement in certificateGroupElementCollection:
    print(certificateGroupElement)

print()
print('Finished.')

.NET

Python

Concepts

Examples - OPC UA Application

Fundamentals