GetEnglishTimeSpan

        private static string GetEnglishTimeSpan(TimeSpan span)
        {
            StringBuilder builder = new StringBuilder();
            if (span.Days > 0)
            {
                builder.Append(GetTimePart("Day", span.Days) + ", ");
            }
            if (span.Hours > 0)
            {
                builder.Append(GetTimePart("Hour", span.Hours) + ", ");
            }
            if (span.Minutes > 0)
            {
                builder.Append(GetTimePart("Minute", span.Minutes) + ", ");
            }
            builder.Append(GetTimePart("Second", span.Seconds));
            return builder.ToString();
        }

        private static DateTime GetLocalTimeFromWmiDate(string lastBootUpTime)
        {
            int num = int.Parse(lastBootUpTime.Substring(lastBootUpTime.IndexOf('-') + 1));
            bool flag = lastBootUpTime[0x15] == '+';
            lastBootUpTime = lastBootUpTime.Substring(0, lastBootUpTime.IndexOf('.'));
            DateTime time = DateTime.ParseExact(lastBootUpTime, "yyyyMMddHHmmss", null);
            if (flag)
            {
                num = -num;
            }
            return time.AddMinutes((double) num).ToLocalTime();
        }

        private static string GetTimePart(string partName, int value)
        {
            return string.Format("{0} {1}{2}", value, partName, (value == 1) ? "" : "s");
        }