public MainWindow()
        {
            InitializeComponent();
            buttonNext.Visibility          = Visibility.Hidden;
            buttonBack.Visibility          = Visibility.Hidden;
            MessageBlock.Text              = "";
            TimeBlock.Text                 = "";
            StatusProgress.IsIndeterminate = false;
            MessageBlock.Text              = string.Format("Velikost DB: {0}", DatabaseReader.DatabaseSize().ToString("N0"));

            //MessageBox.Show(float.Parse("13264.000",System.Globalization.NumberStyles.Any, CultureInfo.InvariantCulture).ToString());
        }