Manage SocketException, when i have to close the socket ?

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C#

Hello all,

I am quite ne to socket, so forgive non-sense questions ...

I develop a tcp server on a Windows CE platform. I have created the server using simple Tcp Listenners, created the differents cleints, read write data to them, thank you code project.

Now i facing a problem, sometimes i get SocketException. My question is after getting a such exception what i have to do ?
I can suppose that sometime the socket is definitely dead, and sometimes, i can restart.

try
{
   this.MySocket.Send(...);
   this.MySocket.Receive(...);
} 
catch(SocketException ex)
{
   switch(ex.ErrorCode)
   {
       case ... :
          this.Retry();
          break;
       case ... : 
          this.MySocket.close();
          break;
    }
}

I have found all error code here, but how can i know ?

Romain TAILLANDIER