Using system.io; using system.runtime.interopservices; using system.text; using microsoft.win32; namespace wjb.readorwriteiniandreg {////
/// HardDiskVal's summary description. /// Read the hard disk serial number of the specified drive letter /// function: Read the hard disk serial number of the specified disk letter ////
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
);
///
/// Get the hard disk serial number of the drive letter to DRVID, default is c
///
///
Param>
///
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 rettval,
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 rettval,
a,
b,
STR2,
Max_filename_len
);
Return RetVal.Tostring ();
}
}
}
