WinCE.NET中设置系统日期时间

using System;
using System.Runtime.InteropServices;

class SysDateTime
{
 private struct SYSTEMTIME
 {
     public ushort wYear;
     public ushort wMonth;
     public ushort wDayOfWeek;
     public ushort wDay;
     public ushort wHour;
     public ushort wMinute;
     public ushort wSecond;
     public ushort wMilliseconds;
 }

 [DllImport("Coredll.dll")]
 private static extern bool SetLocalTime(ref SYSTEMTIME lpSystemTime);

 public static void SetDateTime(DateTime dt)
 {
     #region Codes==========================================================

     SYSTEMTIME sysTime = new SYSTEMTIME();
     
     sysTime.wYear = Convert.ToUInt16(dt.Year);
     sysTime.wMonth = Convert.ToUInt16(dt.Month);
     sysTime.wDay = Convert.ToUInt16(dt.Day);
     sysTime.wDayOfWeek = Convert.ToUInt16(dt.DayOfWeek);
     sysTime.wHour = Convert.ToUInt16(dt.Hour);
     sysTime.wMinute = Convert.ToUInt16(dt.Minute);
     sysTime.wSecond = Convert.ToUInt16(dt.Second);
     sysTime.wMilliseconds = Convert.ToUInt16(dt.Millisecond);

     SetLocalTime(ref sysTime);

     #endregion
 }
} // class