Mega Code Archive
How to read the hard disk serial number and volume label
<![CDATA[
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button2: TButton;
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
function GetHardDiskSerial(const DriveLetter: Char): string;
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function TForm1.GetHardDiskSerial(const DriveLetter: Char): string;
var
NotUsed: DWORD;
VolumeFlags: DWORD;
VolumeInfo: array[0..MAX_PATH] of Char;
VolumeSerialNumber: DWORD;
begin
GetVolumeInformation(PChar(DriveLetter + ':\'),
VolumeInfo, SizeOf(VolumeInfo), @VolumeSerialNumber, NotUsed,
VolumeFlags, nil, 0);
Result := Format('Label = %s Volume Serial = %8.8X', [VolumeInfo, VolumeSerialNumber])
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
ShowMessage(GetHardDiskSerial('c'));
end;
end.
]]>