/// <summary>
        /// Default constructor. Optionally can change the
        /// </summary>
        /// <param name="userData"></param>
        /// <param name="subtile"></param>

        public QuestionaireWindow(ref UserData userData, string subtile = "")
        {
            InitializeComponent();
            this.userData           = userData;
            this.lblWelcome.Content = $"Hey, {userData.FirstName}.";
            if (subtile == string.Empty)
            {
                this.lblWelcome2.Content = $"Please finish the questionnaire " +
                                           $"to personalize your experience.";
                this.lblWelcome2.Foreground = (SolidColorBrush) new BrushConverter().ConvertFrom("#FF7DA671");
            }
            else
            {
                this.lblWelcome2.Content    = $"{subtile}";
                this.lblWelcome2.Foreground = (SolidColorBrush) new BrushConverter().ConvertFrom("#FFDE7575");
            }


            WindowSettings ws = new WindowSettings();

            ws.CenterWindowOnScreen(this);
        }