private void UpdateUserList(ICollection <string> users)
{
if (chatTextBox.InvokeRequired)
{
var d = new UpdateUserListDelegate(UpdateUserList);
userListComboBox.Invoke(d, new object[] { users });
}
else
{
userListComboBox.Items.Clear();
userListComboBox.Items.AddRange(users.Select(x => (object)x).ToArray());
}
}
public CModel(UpdateUserListDelegate upd_delegate, GetMessageDocumentEnd get_msg_doc_delegate,
IncomingMessage incoming_message_delegate, SaveIncomingFile incoming_file_delegate,
LoginRequestResultProcessor log_req_res, SynchronizationContext cntx)
{
m_is_logged_in = false;
m_messages = new Dictionary <string, CMessage>();
m_new_messages = new List <string>();
m_login_probe = false;
m_update_user_list_delegate = upd_delegate;
m_get_message_document_end = get_msg_doc_delegate;
m_incoming_message = incoming_message_delegate;
m_incoming_file = incoming_file_delegate;
m_login_req_res = log_req_res;
m_event_queue = new ConcurrentQueue <CQueueMessage>();
m_context = cntx;
}
private void ConnectButton_Click(object sender, EventArgs e)
{
int.TryParse(portTextBox.Text, out var port);
IPAddress.TryParse(ipAddressTextBox.Text, out var ip);
if (port == default || ip == null || string.IsNullOrEmpty(nicknameBox.Text))
{
var incorrectFields =
$"{(port == default ? "port, " : string.Empty)}" +
$"{(ip == null ? "ip address, " : string.Empty)}" +
$"{(string.IsNullOrEmpty(nicknameBox.Text) ? "nickname" : string.Empty)}";
MessageBox.Show($"Some fields are incorrect: {incorrectFields.TrimEnd(new []{' ', ','})}");
}
else
{
var fillChatDelegate = new FillChatDelegate(AppendText);
var updateUserListDelegate = new UpdateUserListDelegate(UpdateUserList);
try
{
_backgroundWorker.Connect(
ip.ToString(),
port,
nicknameBox.Text,
fillChatDelegate,
updateUserListDelegate);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
connectButton.Enabled = false;
nicknameBox.Enabled = false;
portTextBox.Enabled = false;
ipAddressTextBox.Enabled = false;
}
}
///<exception cref="SocketException"></exception>
public void Connect(
string hostname,
int port,
string nickname,
FillChatDelegate fillChatDelegate,
UpdateUserListDelegate updateUserListDelegate)
{
if (!_isConnected)
{
_nickname = nickname;
_fillChatDelegate = fillChatDelegate;
_updateUserListDelegate = updateUserListDelegate;
_client = new TcpClient(hostname, port);
_stream = _client.GetStream();
_isConnected = true;
SendMessage(new NetworkProtocol.Event(NetworkProtocol.EventType.Connect, _nickname));
Task.Run(StartReceiveMessages);
}
}
