hi friends

I am developing a chat application here i have kept general chat room here multi users can chat with each other but now i want one to one chat in my application, when logged user click on any user in the user list, one pop up window should be opened on the user computer and another pop up window should be opened in the remote users computer , how can i achieve this , any help will be appreciated...

>how can i achieve this , any help will be appreciated

1. Create VB.NET project.
2. Import System.Net, System.Data.XXXX, and Threading namespaces.
3. Create a Listener. (Please read MSDN pages about TcpListner).