读取和修改计算机系统时间

using System.Runtime.InteropServices;




[StructLayout(LayoutKind.Sequential)]


public class SystemTime




...{


    public ushort year;


    public ushort month;


    public ushort dayOfWeek;


    public ushort day;


    public ushort hour;


    public ushort minute;


    public ushort second;


    public ushort milliseconds;


}


[DllImport("Kernel32.dll")]


public static extern void GetSystemTime([In, Out] SystemTime st);




[DllImport("Kernel32.dll")]


public static extern bool SetSystemTime([In, Out] SystemTime st);




SystemTime vSystemTime = new SystemTime();


GetSystemTime(vSystemTime); // 读


vSystemTime.year += 1;


SetSystemTime(vSystemTime); // 写