How to use socket in C#?

Question

I want to create a chat application for windows in C#.
I want to use of socket.
can you help me?

Answer 1

https://www.twilio.com/docs/chat/tutorials/chat-application-csharp-mvc
https://www.codeproject.com/Articles/524066/SignalR-Simple-Chat-Application-in-Csharp
https://stackoverflow.com/questions/10324833/jquery-ui-chat-plugin-how-to-guide-needed