Need to write this end point programatically in c# , this is for a chat application

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C#

WCF

WPF

Hi I need to write this end point programatically in c# , this is for a chat application . //app.config part

<system.servicemodel>
       <client>
         <endpoint name="ChatEndPoint" address="net.p2p://chatMesh/ChatServer" binding="netPeerTcpBinding" bindingconfiguration="PeerTcpConfig" contract="Clinical_Vista.IChatService"></endpoint>


       </client>

       <bindings>
         <netpeertcpbinding>
           <binding name="PeerTcpConfig" port="0">
             <security mode="None"></security>
             <resolver mode="Custom">
               <custom address="net.tcp://192.168.0.147:22222/ChatServer" binding="netTcpBinding" bindingconfiguration="TcpConfig"></custom>
             </resolver>
           </binding>
           &lt;!--<binding name="BindingDefault" port="0">
             <security mode="None"></security>
             <resolver mode="Auto"></resolver>
           </binding>--&gt;
         </netpeertcpbinding>
         <nettcpbinding>
           <binding name="TcpConfig">
             <security mode="None"></security>
           </binding>
         </nettcpbinding>
       </bindings>
     </system.servicemodel>

// c# part

InstanceContext context = new InstanceContext(
                       new Home(txtUserName.Text.Trim()));
                   factory =
                       new DuplexChannelFactory<ichatchannel>(context, "ChatEndPoint");
                   channel = factory.CreateChannel();

This is working fine for me . but I need to change the end point address dynamically. Looking for valuable support

What I have tried:

EndpointAddress endpointAddress = new EndpointAddress("net.p2p://chatMesh/ChatServer");
                ContractDescription contract = new ContractDescription("IChatService", "Clinical_Vista");
              
                System.ServiceModel.Channels.Binding binding = new NetPeerTcpBinding();
                binding.Name = "PeerTcpConfig";

                  ServiceEndpoint se = new ServiceEndpoint(contract, binding, endpointAddress);
                 
                InstanceContext context = new InstanceContext(
                    new Home(userName));
                factory =
                    new DuplexChannelFactory<ichatchannel>(context, se);
                channel = factory.CreateChannel();