Fan.Sys.TimeZone.compareAtTime C# (CSharp) Méthode

        static int compareAtTime(Rule rule, DstTime x, int time)
        {
            int atTime = x.atTime;

              // if universal time, then we need to move atTime back to
              // local time (we might cross into the previous day)
              if (x.atMode == 'u')
              {
            if (rule.offset + x.atTime < 0)
              atTime = 24*60*60 + rule.offset + x.atTime;
            else
              atTime += rule.offset;
              }

              if (atTime < time) return -1;
              if (atTime > time) return +1;
              return 0;
        }