OPC Studio User's Guide and Reference
UACertificateGroupElementCollection Class
Members  Example 



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Gds Namespace : UACertificateGroupElementCollection Class
A collection of OPC-UA certificate groups.
Object Model
UACertificateGroupElementCollection ClassUACertificateGroupElement Class
Syntax
'Declaration
 
<CLSCompliantAttribute(True)>
<ComDefaultInterfaceAttribute(OpcLabs.EasyOpc.UA.Gds.ComTypes._UACertificateGroupElementCollection)>
<ComVisibleAttribute(True)>
<GuidAttribute("F2B52270-D7E5-4AAC-A0F5-791809DABD6D")>
<TypeConverterAttribute(System.ComponentModel.CollectionConverter)>
<DefaultMemberAttribute("Item")>
<DebuggerTypeProxyAttribute(System.Collections.Generic.Mscorlib_KeyedCollectionDebugView`2)>
<DebuggerDisplayAttribute("Count = {Count}")>
<SerializableAttribute()>
Public NotInheritable Class UACertificateGroupElementCollection 
   Inherits OpcLabs.BaseLib.Collections.ObjectModel.SelectorKeyedCollection(Of UANodeId,UACertificateGroupElement)
   Implements OpcLabs.EasyOpc.UA.Gds.ComTypes._UACertificateGroupElementCollection, System.Collections.Generic.ICollection(Of UACertificateGroupElement), System.Collections.Generic.IEnumerable(Of UACertificateGroupElement), System.Collections.Generic.IList(Of UACertificateGroupElement), System.Collections.Generic.IReadOnlyCollection(Of UACertificateGroupElement), System.Collections.Generic.IReadOnlyList(Of UACertificateGroupElement), System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList, System.ICloneable 
'Usage
 
Dim instance As UACertificateGroupElementCollection
[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.UA.Gds.ComTypes._UACertificateGroupElementCollection)]
[ComVisible(true)]
[Guid("F2B52270-D7E5-4AAC-A0F5-791809DABD6D")]
[TypeConverter(System.ComponentModel.CollectionConverter)]
[DefaultMember("Item")]
[DebuggerTypeProxy(System.Collections.Generic.Mscorlib_KeyedCollectionDebugView`2)]
[DebuggerDisplay("Count = {Count}")]
[Serializable()]
public sealed class UACertificateGroupElementCollection : OpcLabs.BaseLib.Collections.ObjectModel.SelectorKeyedCollection<UANodeId,UACertificateGroupElement>, OpcLabs.EasyOpc.UA.Gds.ComTypes._UACertificateGroupElementCollection, System.Collections.Generic.ICollection<UACertificateGroupElement>, System.Collections.Generic.IEnumerable<UACertificateGroupElement>, System.Collections.Generic.IList<UACertificateGroupElement>, System.Collections.Generic.IReadOnlyCollection<UACertificateGroupElement>, System.Collections.Generic.IReadOnlyList<UACertificateGroupElement>, System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList, System.ICloneable  
[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.UA.Gds.ComTypes._UACertificateGroupElementCollection)]
[ComVisible(true)]
[Guid("F2B52270-D7E5-4AAC-A0F5-791809DABD6D")]
[TypeConverter(System.ComponentModel.CollectionConverter)]
[DefaultMember("Item")]
[DebuggerTypeProxy(System.Collections.Generic.Mscorlib_KeyedCollectionDebugView`2)]
[DebuggerDisplay("Count = {Count}")]
[Serializable()]
public ref class UACertificateGroupElementCollection sealed : public OpcLabs.BaseLib.Collections.ObjectModel.SelectorKeyedCollection<UANodeId,UACertificateGroupElement>, OpcLabs.EasyOpc.UA.Gds.ComTypes._UACertificateGroupElementCollection, System.Collections.Generic.ICollection<UACertificateGroupElement>, System.Collections.Generic.IEnumerable<UACertificateGroupElement>, System.Collections.Generic.IList<UACertificateGroupElement>, System.Collections.Generic.IReadOnlyCollection<UACertificateGroupElement>, System.Collections.Generic.IReadOnlyList<UACertificateGroupElement>, System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList, System.ICloneable  
Example

.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 .

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 Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python .
# 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.')
' 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 .

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
Inheritance Hierarchy

System.Object
   System.Collections.ObjectModel.Collection<T>
      System.Collections.ObjectModel.KeyedCollection<TKey,TItem>
               OpcLabs.EasyOpc.UA.Gds.UACertificateGroupElementCollection

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