C#实现读取指定盘符硬盘序列号的方法

using System;using System.IO;using System.Runtime.InteropServices;using System.Text;using Microsoft.Win32;namespace Wjb.ReadOrWriteIniAndReg{/**/////// 读取指定盘符的硬盘序列号///public class HardDiskVal{[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);/**/////// 获得盘符为drvID的硬盘序列号，缺省为C/////////public string HDVal(string drvID){const int MAX_FILENAME_LEN = 256;int retVal = 0;int a =0;int b =0;string str1 = null;string str2 = null;int i = GetVolumeInformation(drvID + @":/",str1,MAX_FILENAME_LEN,ref retVal,a,b,str2,MAX_FILENAME_LEN);return retVal.ToString();}public string HDVal(){const int MAX_FILENAME_LEN = 256;int retVal = 0;int a =0;int b =0;string str1 = null;string str2 = null;int i = GetVolumeInformation("c://",str1,MAX_FILENAME_LEN,ref retVal,a,b,str2,MAX_FILENAME_LEN);return retVal.ToString();}}