public DateTimeEditWindow(MainWindow mainWindow, TimeSpan elapsed, DateTime date)
        {
            InitializeComponent();

            MainWindow = mainWindow;

            entryDecimalUpDown.Value = (Decimal)elapsed.TotalHours;
            entryDatePicker.SelectedDate = date;
        }
        public OptionsWindow(MainWindow mainWindow)
        {
            InitializeComponent();

            MainWindow = mainWindow;
        }