C#利用win32 Api 修改本地系统时间、获取硬盘序列号 C#利用win32 Api 修改本地系统时间、获取硬盘序列号（乘风破浪的姐姐第三季）

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复制代码 代码如下:

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace Fengyun
{
    public class Win32
    {
        #region 修改本地系统时间
        [DllImport("Kernel32.dll")]
        private extern static void GetSystemTime(ref SYSTEMTIME lpSystemTime);
        [DllImport("Kernel32.dll")]
        private extern static uint SetLocalTime(ref SYSTEMTIME lpSystemTime);
        [StructLayout(LayoutKind.Sequential)]
        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;
        }
        /// <summary>
        /// 将本地时间与sqlserver服务器时间同步
        /// </summary>
        /// <param name="SqlServerTime">时间</param>
        public static void SetTime(DateTime SqlServerTime)
        {
            SYSTEMTIME st = new SYSTEMTIME();
            st.wYear = Convert.ToUInt16(SqlServerTime.Year);
            st.wMonth = Convert.ToUInt16(SqlServerTime.Month);
            st.wDay = Convert.ToUInt16(SqlServerTime.Day);
            st.wHour = Convert.ToUInt16(SqlServerTime.Hour);
            st.wMilliseconds = Convert.ToUInt16(SqlServerTime.Millisecond);
            st.wMinute = Convert.ToUInt16(SqlServerTime.Minute);
            st.wSecond = Convert.ToUInt16(SqlServerTime.Second);
            SetLocalTime(ref st);
        }
        #endregion
        #region 获取硬盘序列号
        [DllImport("kernel32.dll")]
        private static extern int GetVolumeInformation(
        string lpRootPathName,
        string lpVolumeNameBuffer,
        int nVolumeNameSize,
        ref int lpVolumeSerialNumber,
        int lpMaximumComponentLength,
        int lpFileSystemFlags,
        string lpFileSystemNameBuffer,
        int nFileSystemNameSize
        );
        /// <summary>
        /// 获取硬盘序列号
        /// </summary>
        /// <param name="drvID">硬盘盘符[c|d|e|....]</param>
        /// <returns></returns>
        public static string GetDiskVolume(string drvID)
        {
            const int MAX_FILENAME_LEN = 256;
            int retVal = 0;
            int lpMaximumComponentLength = 0;
            int lpFileSystemFlags = 0;
            string lpVolumeNameBuffer = null;
            string lpFileSystemNameBuffer = null;
            int i = GetVolumeInformation(
            drvID + @":\",
            lpVolumeNameBuffer,
            MAX_FILENAME_LEN,
            ref retVal,
            lpMaximumComponentLength,
            lpFileSystemFlags,
            lpFileSystemNameBuffer,
            MAX_FILENAME_LEN
            );
            return retVal.ToString("x");
        }
        #endregion
    }
}