设置系统时间

通过调用系统API设置系统时间。

using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace talefox.ShareLib

{
    public class SystemDateTime
    {
        [DllImport("kernel32.dll")]
        private static extern bool SetLocalTime(ref SYSTEMTIME time);

        [StructLayout(LayoutKind.Sequential)]
        private struct SYSTEMTIME
        {
            public short year;
            public short month;
            public short dayOfWeek;
            public short day;
            public short hour;
            public short minute;
            public short second;
            public short milliseconds;
        }
        /// <summary>
        /// 设置系统时间
        /// </summary>
        /// <param name="dt"></param>
        public static void SetDate(DateTime dt)
        {
            SYSTEMTIME st;

            st.year = (short)dt.Year;
            st.month = (short)dt.Month;
            st.dayOfWeek = (short)dt.DayOfWeek;
            st.day = (short)dt.Day;
            st.hour = (short)dt.Hour;
            st.minute = (short)dt.Minute;
            st.second = (short)dt.Second;
            st.milliseconds = (short)dt.Millisecond;

            SetLocalTime(ref st);
        }
    }
}