internal class LocalTimeHelper    {        [StructLayout(LayoutKind.Sequential)]        struct SystemTime        {            public UInt16 Year;            public UInt16 Month;            public UInt16 DayOfWeek;            public UInt16 Day;            public UInt16 Hour;            public UInt16 Minute;            public UInt16 Second;            public UInt16 Millisecond;            public DateTime ToDateTime()            {                return new DateTime(Year, Month, Day, Hour, Minute, Second, Millisecond);            }            public SystemTime FromDateTime(DateTime value)            {                Year = (UInt16)value.Year;                Month = (UInt16)value.Month;                Day = (UInt16)value.Day;                Hour = (UInt16)value.Hour;                Minute = (UInt16)value.Minute;                Second = (UInt16)value.Second;                Millisecond = (UInt16)value.Millisecond;                return this;            }            public static implicit operator DateTime(SystemTime value)            {                return value.ToDateTime();            }            public static implicit operator SystemTime(DateTime value)            {                return new SystemTime().FromDateTime(value);            }        }        [DllImport("kernel32.dll")]        static extern int SetSystemTime(ref SystemTime systemTime);        [DllImport("Kernel32.dll")]        static extern void GetSystemTime(ref SystemTime sysTime);        public static bool SetSystemLocalTime(DateTime value)        {            SystemTime time = value.ToUniversalTime();            var res = SetSystemTime(ref time);            return res != 0;        }        public static DateTime GetSystemLocalTime()        {            var time = new SystemTime();            GetSystemTime(ref time);            DateTime res = ((DateTime)time).ToLocalTime();            return res;        }    }