public static string DateCalc(int mode) {
            string DTmonth;
            string DTday;
            string DThour;
            string DTmin;
            string DTsec;
            string Date;
            if (DateTime.Now.Month.ToString().Length == 1)
            {
                DTmonth = "0" + DateTime.Now.Month;
            }
            else { DTmonth = DateTime.Now.Month.ToString(); }
            if (DateTime.Now.Day.ToString().Length == 1)
            {
                DTday = "0" + DateTime.Now.Day.ToString();
            }
            else { DTday = DateTime.Now.Day.ToString(); }
            if (DateTime.Now.Hour.ToString().Length == 1)
            {
                DThour = "0" + DateTime.Now.Hour.ToString();
            }
            else { DThour = DateTime.Now.Hour.ToString(); }
            if (DateTime.Now.Minute.ToString().Length == 1)
            {
                DTmin = "0" + DateTime.Now.Minute.ToString();
            }
            else { DTmin = DateTime.Now.Minute.ToString(); }
            if (DateTime.Now.Second.ToString().Length == 1)
            {
                DTsec = "0" + DateTime.Now.Second.ToString();
            }
            else { DTsec = DateTime.Now.Second.ToString(); }
            if (mode == 1)
            {
                Date = DateTime.Now.Year + "." + DTmonth + "." + DTday + " " + DThour + ":" + DTmin + ":" + DTsec;
            }
            else { Date = DateTime.Now.Year + "." + DTmonth + "." + DTday + " " + DThour + "-" + DTmin + "-" + DTsec; }
            return Date;
        }