i got error in c#

Question

Hi,

i got error in c# windows application.





private static void ListenForClients()
{
tcpListener.Start();

while (true)
{
try
{
// Blocks until a client has connected to the server
TcpClient client = tcpListener.AcceptTcpClient();

// Create a thread to handle communication
// with connected client
Thread clientThread = new Thread(new ParameterizedThreadStart(HandleClientComm));
clientThread.Start(client);
}
}
Error:
------

Only one usage of each socket address (protocol/network address/port) is normally permitted

Error Line:
-----------
private static void ListenForClients()
{
----->> tcpListener.Start();