C#使用DISKID32.DLL读取硬盘序列号

从网络上下载一个DiskID32.dll文件,放置到DEBUG目录下.不同电脑获取的编号长度有可能不同.普通台式机长度为8位类似"5VM5GRMT".联想天运F1400位20位类似"080219BB2200WBCZRPZC".

using System;
using System.Collections.Generic;
using System.Text;

using System.Runtime.InteropServices;
using System.Reflection;

using System.Security;
using System.Security.Cryptography;
using System.IO;

namespace Common
{
    public class ComputerInfo
    {
        [DllImport("DiskID32.dll")]
        public static extern long DiskID32(ref byte DiskModel, ref byte DiskID);

        public static string GetDiskID()
        {

            byte[] DiskModel = new byte[31];
            byte[] DiskID = new byte[31];
            int i;
            string Model = "";
            string ID = "";

            if (DiskID32(ref DiskModel[0], ref DiskID[0]) != 1)
            {

                for (i = 0; i < 31; i++)
                {                    

                    if (Convert.ToChar(DiskID[i]) != Convert.ToChar(0))
                    {
                        ID = ID + Convert.ToChar(DiskID[i]);
                    }
                }
                ID = ID.Trim();
            }
            else
            {
                Console.WriteLine("获取硬盘序列号出错");
            }
            return ID;
        }

}