Dim ep As Net.IPEndPoint
Dim ip As Net.IPAddress
ip = New IPAddress("127.0.0.1")
ep = New Net.IPEndPoint(ip, iPort)
g_tcpListen = New TCPListener(ep)
g_tcpListen.Start()

I've also tried it like this:

g_tcpListen = New TCPListener(iPort)
g_tcpListen.Start()

(where iPort is an integer with a valid port number and g_tcpListen is a
TCPListener class)

Both, when run, give me an unexpected result of listening on port 0. What
would cause this? Just a bug in the code? If so, does anyone know of any
documentation on how to setup the Socket class to listen?

Ben Vanik

Here is a little chunk of code I am using for the TCP Listener to begin
listening on port 50.

 mobjListener = New System.Net.Sockets.TCPListener(New
System.Net.IPAddress("100.100.100.1"), 50)

        mobjListener.Start()

        Do Until mobjListener.Pending = True

            application.DoEvents()

        Loop

        'OK, we have a pending connect request
        mobjSocket = mobjListener.Accept()

....and so on and so on...

I hope this helps.