Bloom.Registration.RegistrationDialog.UpdateDisplay C# (CSharp) Method

        private void UpdateDisplay()
        {
            _okButton.Enabled = !string.IsNullOrWhiteSpace(_firstName.Text) &&
                                !string.IsNullOrWhiteSpace(_surname.Text) &&
                                !string.IsNullOrWhiteSpace(_organization.Text) &&
                                !string.IsNullOrWhiteSpace(_howAreYouUsing.Text);

            //reset the stuck detection timer
            _userIsStuckDetector.Stop();
            _userIsStuckDetector.Start();
        }