Open and Use a TCP Port

Question

I need to transfer data between several computers in a network using my app. I thought of using TCP ports. Are there any tutorials on how to open and use them? I only want to make a file transfer and chat app that works offline.

Answer 1

Here are several examples. Between all of these, you should be able to get what you need.

http://www.codeproject.com/KB/IP/TCPIPChat.aspx

http://www.codeproject.com/KB/IP/realtimeapp.aspx