private void buttonJoin_Click(object sender, RoutedEventArgs e)
 {
     _chatManager.OnOnLog($"{_user.Username} joined to chat");
     _chatManager.OnOnUserNumberChanged(_chatManager.GetActiveUsers() + 1);
     _chatManager.AddUser(_user);
     buttonJoin.IsEnabled  = false;
     buttonLeave.IsEnabled = true;
 }
        private void buttonJoin_Click(object sender, RoutedEventArgs e)
        {
            _chatManager.log($"{_user.Username} joined chat");
            _chatManager.userNumberChanged(_chatManager._activeUsers.Count + 1);

            _chatManager.AddUser(_user);
            buttonJoin.IsEnabled  = false;
            buttonLeave.IsEnabled = true;
        }
 private void buttonJoin_Click(object sender, RoutedEventArgs e)
 {
     _chatManager.AddUser(_user);
     buttonJoin.IsEnabled  = false;
     buttonLeave.IsEnabled = true;
 }