Hi,
We can't create a whole application for you. That's not how CodeProject works. First, try what you want to do, and if you've a specific problem, then you can post a question here.
A good link to start:
TCP/IP Chat Application Using C#[^]
It's an article about a chat application, but you can also use TCP/IP and Sockets in your application, so it's very useful for you.
Submit an article or tip