public void login_recver_worker(object sender, DoWorkEventArgs e)
        {
            string buffer = "";

            string[]   chanel_list_array;
            string[]   chanel_cut;
            CacaoParse parse = new CacaoParse();


            client.send_data("CHANEL_INFO");
            while (true)
            {
                buffer = client.recv_data();
                if (buffer.Contains("JOIN"))
                {
                    break;
                }
                else if (buffer.Contains("LOGIN ERROR"))
                {
                    MessageBox.Show("로그인 실패");
                    continue;
                }
                else if (buffer.Contains("USER_ADD_ERROR"))
                {
                    MessageBox.Show("가입 실패 이미 있는 계정일 수 있습니다.");
                    continue;
                }
                else if (buffer.Contains("ADD_SUCCESS"))
                {
                    MessageBox.Show("가입 성공");
                    continue;
                }
                else if (buffer.Contains("USER_DEL_ERROR"))
                {
                    MessageBox.Show("제거 실패");
                    continue;
                }
                else if (buffer.Contains("DEL_SUCCESS"))
                {
                    MessageBox.Show("제거 성공");
                    continue;
                }
                else if (buffer.Contains("USER_NOW_LOGIN"))
                {
                    MessageBox.Show("해당 계정은 이미 선택하신 채널에 접속중입니다.");
                    continue;
                }

                chanel_list_array = parse.get_chanel_Data(buffer);

                for (int i = 0; i < chanel_list_array.Length; i++)
                {
                    chanel_cut = chanel_list_array[i].Split(':');

                    Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
                    {
                        chanel_list.Items.Add(new Chanel_Item {
                            Chanel = chanel_cut[0] + "채널",
                            User   = chanel_cut[1] + "/" + chanel_cut[2]
                        });
                    }));
                }
            }

            Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
            {
                Login_grid.Visibility = System.Windows.Visibility.Hidden;

                Chat_grid.Visibility = System.Windows.Visibility.Visible;
            }));

            client.send_data("CHANEL_JOIN");
            chanel_recver.RunWorkerAsync();
        }
        public void chanel_recver_worker(object sender, DoWorkEventArgs e)
        {
            string[] data_cut;

            byte[] data_byte = new byte[1024];
            string data      = "";
            string user_id   = "";

            CacaoParse parse     = new CacaoParse();
            int        data_type = 0;     // 0-채팅, 1-유저리스트, 2-새로운 유저 접속.
            bool       my_chat   = false; //color

            client.send_data("CHANEL_USER");
            while (true)
            {
                data      = "";
                data      = client.recv_data();
                data_type = parse.chanel_chat(data, ref user_id);
                if (data_type == 0) //채팅.출력
                {
                    data_cut = data.Split('\n');
                    if (user_id == my_id)
                    {
                        my_chat = true;
                    }
                    else
                    {
                        my_chat = false;
                    }
                    Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
                    {
                        chat_list.Items.Add(new ChatBubble(user_id,
                                                           data_cut[2].Substring(0, int.Parse(data_cut[3])), my_chat));
                    }));
                }
                else if (data_type == 1) //유저 리스트 받아옴.
                {
                    data_cut = data.Split('\n');
                    for (int i = 1; i < data_cut.Length; i++)
                    {
                        if (data_cut[i] == "")
                        {
                            continue;
                        }
                        Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
                        {
                            user_list.Items.Add(data_cut[i]);
                        }));
                    }
                }
                else //새로운 유저 접속 데이터
                {
                    data_cut = data.Split('\n');
                    if (data_cut[2].Contains("CONNECT"))
                    {
                        Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
                        {
                            if (data_cut[1] != my_id)
                            {
                                user_list.Items.Add(data_cut[1]);
                            }
                            chat_list.Items.Add(new ChatBubble("SERVER", data_cut[1] + " 님께서 접속하셨습니다.", true));
                        }));
                    }
                    else
                    {
                        Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
                        {
                            find_del_user(data_cut[1]);
                        }));
                    }
                }
                //오토 스크롤
                Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
                {
                    chat_list.ScrollIntoView(chat_list.Items[chat_list.Items.Count - 1]);
                }));
            }
        }