OPC Studio User's Guide and Reference
IEasyUAServerSettings Interface
Members  Example 



OpcLabs.ServerOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace : IEasyUAServerSettings Interface
Provides access to settings for IEasyUAServer objects.
Object Model
IEasyUAServerSettings InterfaceEasyUAServerInstanceParameters Class
Syntax
'Declaration
 
<ComVisibleAttribute(False)>
<ExceptionContractAnnotationAttribute(True)>
Public Interface IEasyUAServerSettings 
'Usage
 
Dim instance As IEasyUAServerSettings
[ComVisible(false)]
[ExceptionContractAnnotation(true)]
public interface IEasyUAServerSettings 
[ComVisible(false)]
[ExceptionContractAnnotation(true)]
public interface class IEasyUAServerSettings 
Example
// This example shows how to set the OPC Wizard parameters for best OPC compliance.
// You can use any OPC UA client, including our Connectivity Explorer and OpcCmd utility, to connect to the server. 
//
// Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html .
// OPC client, server and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-OPCStudio-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.Engine;
using OpcLabs.EasyOpc.UA.NodeSpace;
using OpcLabs.EasyOpc.UA.OperationModel;

namespace UAServerDocExamples._EasyUAServer
{
    class _Parameterization
    {
        public static void OpcCompliance()
        {
            // You need to set both the shared parameters and instance parameters of the EasyUAServer to the values preset
            // for OPC compliance, as shown in the code below. The main difference from the default ("Interoperability")
            // settings is that the OPC compliance settings do not allow insecure connections, but there are other
            // differences as well.
            //
            // You will need to establish mutual trust between the OPC UA server and the client in order to successfully
            // establish a secure connection.

            // Set the shared parameters for OPC compliance.
            EasyUAServer.SharedParameters = EasyUAServerSharedParameters.OpcCompliance;

            // Instantiate the server object.
            // By default, the server will run on endpoint URL "opc.tcp://localhost:48040/".
            var server = new EasyUAServer();

            // Hook event handler for the EndpointStateChanged event. It simply prints out the event.
            server.EndpointStateChanged += (sender, args) => Console.WriteLine(args);

            // Set the instance parameters for OPC compliance.
            server.InstanceParameters = EasyUAServerInstanceParameters.OpcCompliance;

            // Define a data variable providing random integers.
            var random = new Random();
            server.Add(new UADataVariable("MyDataVariable").ReadValueFunction(() => random.Next()));

            // Start the server.
            Console.WriteLine("The server is starting...");
            server.Start();

            Console.WriteLine("The server is started.");
            Console.WriteLine();

            // Let the user decide when to stop.
            Console.WriteLine("Press Enter to stop the server...");
            Console.ReadLine();

            // Stop the server.
            Console.WriteLine("The server is stopping...");
            server.Stop();

            Console.WriteLine("The server is stopped.");
        }
    }
}
' This example shows how to set the OPC Wizard parameters for best OPC compliance.
' You can use any OPC UA client, including our Connectivity Explorer and OpcCmd utility, to connect to the server. 
'
' 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 System
Imports OpcLabs.EasyOpc.UA
Imports OpcLabs.EasyOpc.UA.Engine
Imports OpcLabs.EasyOpc.UA.NodeSpace

Namespace _EasyUAServer
    Partial Friend Class _Parameterization
        Shared Sub OpcCompliance()
            ' You need to set both the shared parameters and instance parameters of the EasyUAServer to the values preset
            ' for OPC compliance, as shown in the code below. The main difference from the default ("Interoperability")
            ' settings is that the OPC compliance settings do not allow insecure connections, but there are other
            ' differences as well.
            ' 
            ' You will need to establish mutual trust between the OPC UA server and the client in order to successfully
            ' establish a secure connection.

            ' Set the shared parameters for OPC compliance.
            EasyUAServer.SharedParameters = EasyUAServerSharedParameters.OpcCompliance

            ' Instantiate the server object.
            ' By default, the server will run on endpoint URL "opc.tcp://localhost:48040/".
            Dim server = New EasyUAServer()

            ' Hook event handler for the EndpointStateChanged event. It simply prints out the event.
            AddHandler server.EndpointStateChanged, Sub(sender, args) Console.WriteLine(args)

            ' Set the instance parameters for OPC compliance.
            server.InstanceParameters = EasyUAServerInstanceParameters.OpcCompliance

            ' Define a data variable providing random integers.
            Dim random = New Random()
            server.Add(New UADataVariable("MyDataVariable").ReadValueFunction(Function() random.Next()))

            ' Start the server.
            Console.WriteLine("The server is starting...")
            server.Start()

            Console.WriteLine("The server is started.")
            Console.WriteLine()

            ' Let the user decide when to stop.
            Console.WriteLine("Press Enter to stop the server...")
            Console.ReadLine()

            ' Stop the server.
            Console.WriteLine("The server is stopping...")
            server.Stop()

            Console.WriteLine("The server is stopped.")
        End Sub
    End Class
End Namespace
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