Newbee help: applet sends itself to sock server!!!

hi all,
im a c# developer 'n new to java applets,
my client have a server and a web java applet that connects to server using socket
i've got a task to create a c# windows application to do same as the applet.
im just confused, when i saw the applet code, it connects to server, and sends itself to the server!!!
here's the code, can anyone plz help me what's actually happening...
               try
                    to_server = new Socket(getCodeBase().getHost(), port_of_server);
                    _OOS = new ObjectOutputStream(to_server.getOutputStream());
                    is = new DataInputStream(new BufferedInputStream(to_server.getInputStream()));
                    os = new PrintStream(new BufferedOutputStream(to_server.getOutputStream(), 1024), false);
                    txtAreaMessages.setText("");
                    txtMessage.setEnabled(true);
                    txtMessage.setText("");
                catch(Exception exception)
                    _logout();
                    txtAreaMessages.appendText("Could not Connect...");
                    return;
                // THIS IS THE CODE WHERE IM CONFUSED!!!
                _OOS.writeObject(this);
                _OOS.flush();
                os.print(1);
                os.flush();
                ClientNew clientnew = new ClientNew(is, os, txtAreaMessages);
                clientnew.start();
                btnLogin.setEnabled(false);
                txtLoginName.setEnabled(false);
                btnSend.setEnabled(true);
                btnMobMessage.setEnabled(true);
                ch_thread = new Thread(this, "abc");
                ch_thread.start();alll is well, but what's with ObjectOutputStream, and why its sending (this) to server??
im asking this question here because i wanna learn it as well :D
it'll be really great help if someone can tell me same to do in c#
// chall3ng3r //

the decompiled source code should tell you what you need to rewrite the client-server communications, which you will unfortunately have to do.
is it some kind of trick to allow only connection from the applet not from c# or vb??no, its an easy, java-specific method of communication.
if it is, how to do same in c#, (just gimme a hint, not the full solution)yes, you would have to do work to allow any other language to emulate this.
no, its not impossible to do.
i know nothing about c#

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