Chat.Listener C# (CSharp) Method

  public static void Listener() 
  {
    bool Done = false;
    string stringData;
    byte [] data;

    // The listener waits for data to come and buffers it

    Thread.Sleep(2000); // Make sure client2 is receiving

    Encoding    ASCII = Encoding.ASCII;
    Console.WriteLine("\nReady to transmit input...\n");
    
    lock(typeof(Chat))
    {
      Done = m_Done;
    }//lock

    //while(!m_Done) 
    while(!Done)
    {
      IPEndPoint endpoint = null;

      //Can't lock here because thread waits on the Receive before continuing.
      data = m_Client.Receive(ref endpoint);

      string strData = ASCII.GetString(data);

      if( strData.IndexOf(":@") > 0 ) 
      {
        //
        // We received a termination indication
        // now we have to decide if it is from
        // our main thread shutting down, or
        // from someone else.
        //
        char [] separators = {':'};
        string [] vars = strData.Split(separators);

        lock(typeof(Chat))
        {
          stringData = m_szHostName;
        }//lock
        if( vars[0] == stringData ) 
        {
          //
          // This is from ourselves, therefore we end now.
          //
          Console.WriteLine("Shutting down Listener thread...");

          //
          // This should have been done by main thread, but we
          // do it again for safety.
          //
          Done = true;
          lock(typeof(Chat))
          {
            m_Done = true;
          }//lock
        }//if
        else 
        {
          //
          // This is a termination from someone else
          //
          Console.WriteLine("{0} has left the conversation", vars[0]);
        }//else
      }//if
      else 
      {
        //
        // this is normal data received from others
        // as well as ourselves
        // check to see if it is from ourselves before
        // we print
        //
        if(strData.IndexOf(":") > 0) 
        {
          char [] separators = {':'};
          string [] vars = strData.Split(separators);

          lock(typeof(Chat))
          {
            stringData = m_szHostName;
          }//lock
          
          if( vars[0] != stringData ) 
          {
            Console.WriteLine(strData);
          }//if
        }//if
      }//else
    }//while

    Console.WriteLine("Listener thread finished...");
    return;
  }//Listener()
}//class Chat