using System;

using System.Runtime.InteropServices;

namespace ArLi.CommonPrj {

#region how use this?

/*

string sVol = getvol.GetVolOf("C");

*/

#endregion

public class getvol{

[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

);

public static string GetVolOf(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("x");

}

}

}