1     /// <summary>
 2     /// 系统时间帮助类
 3     /// </summary>
 4     public struct SystemTime
 5     {
 6         public ushort wYear;
 7         public ushort wMonth;
 8         public ushort wDayOfWeek;
 9         public ushort wDay;
10         public ushort wHour;
11         public ushort wMinute;
12         public ushort wSecond;
13         public ushort wMilliseconds;
14 
15         /// <summary>
16         /// 从System.DateTime转换。
17         /// </summary>
18         /// <param name="time">System.DateTime类型的时间。</param>
19         public void FromDateTime(DateTime time)
20         {
21             wYear = (ushort)time.Year;
22             wMonth = (ushort)time.Month;
23             wDayOfWeek = (ushort)time.DayOfWeek;
24             wDay = (ushort)time.Day;
25             wHour = (ushort)time.Hour;
26             wMinute = (ushort)time.Minute;
27             wSecond = (ushort)time.Second;
28             wMilliseconds = (ushort)time.Millisecond;
29         }
30         /// <summary>
31         /// 转换为System.DateTime类型。
32         /// </summary>
33         /// <returns></returns>
34         public DateTime ToDateTime()
35         {
36             return new DateTime(wYear, wMonth, wDay, wHour, wMinute, wSecond, wMilliseconds);
37         }
38         /// <summary>
39         /// 静态方法。转换为System.DateTime类型。
40         /// </summary>
41         /// <param name="time">SYSTEMTIME类型的时间。</param>
42         /// <returns></returns>
43         public static DateTime ToDateTime(SystemTime time)
44         {
45             return time.ToDateTime();
46         }
47     }
48 
49     /// <summary>
50     /// 系统更新时间DLL
51     /// </summary>
52     public class Win32API
53     {
54         [DllImport("Kernel32.dll")]
55         public static extern bool SetLocalTime(ref SystemTime Time);
56         [DllImport("Kernel32.dll")]
57         public static extern void GetLocalTime(ref SystemTime Time);
58     }