Fan.Sys.Duration.toIso C# (CSharp) Méthode

        public string toIso()
        {
            StringBuilder s = new StringBuilder();
              long ticks = this.m_ticks;
              if (ticks == 0) return "PT0S";

              if (ticks < 0) s.Append('-');
              s.Append('P');
              long abs  = ticks < 0 ? -ticks : ticks;
              long sec  = abs / nsPerSec;
              long frac = abs % nsPerSec;

              // days
              if (sec > secPerDay) { s.Append(sec/secPerDay).Append('D'); sec = sec % secPerDay; }
              if (sec == 0 && frac == 0) return s.ToString();
              s.Append('T');

              // hours, minutes
              if (sec > secPerHr)  { s.Append(sec/secPerHr).Append('H');  sec = sec % secPerHr; }
              if (sec > secPerMin) { s.Append(sec/secPerMin).Append('M'); sec = sec % secPerMin; }
              if (sec == 0 && frac == 0) return s.ToString();

              // seconds and fractional seconds
              s.Append(sec);
              if (frac != 0)
              {
            s.Append('.');
            for (int i=10; i<=100000000; i*=10) if (frac < i) s.Append('0');
            s.Append(frac);
            while (s[s.Length-1] == '0') s.Length = s.Length -1;
              }
              s.Append('S');
              return s.ToString();
        }