im doing a basic multithread socket programming based on http://vb.net-informations.co m/communications/vb.net_chat_ser ver.htm and i have a simple chat. problem now is i want add sending and recieving file. What i'm going to try is to send a message together with the bytes and convert this to a stream and send it to the network, and when the server recived the stream and it confirms that this is a file, the stream will become a string and a byte...