private void AdditionTime(object sender, RoutedEventArgs e)
        {
            MainWindow window = this.Owner as MainWindow;

            if (InputTime.Text == null || InputTime.Text == "")
            {
                inputTime = 0;
            }
            else if (Double.TryParse(InputTime.Text, out inputTime))
            {
                ;
            }
            else
            {
                return;
            }
            MainWindow.List[window.indexTimeAdd].Time  = inputTime * 3600;
            MainWindow.List[window.indexTimeAdd].Timer = (MainWindow.List[window.indexTimeAdd].Time / 3600).ToString("F2") + " h";
            MainWindow.WriteInJson(MainWindow.jsonInfo);
            window.AllTime.Text = "All time today: " + (MainWindow.List.Sum(x => x.Time) / 3600).ToString("F2") + " h";
            this.Close();
        }