public void sendToServer(ChatWindow fromChatroom, Packet packet) { int chatroomIndex; if (fromChatroom != null) { chatroomIndex = chatWindows.IndexOf(fromChatroom); } else { chatroomIndex = -1; } packet.changeChatroomIndex(chatroomIndex); byte[] dataSand = packet.getPacket(); // debug //Console.Write("Send command: "); Console.WriteLine(packet.getCommand()); //Console.Write("Send Chat room num: "); Console.WriteLine(chatroomIndex); try { client.send(dataSand); } catch (Exception e) { Console.WriteLine(e.ToString()); } }