Mencari tipe drive dengan delphi

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;

type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
typ:Integer;
s : string;
begin
s := 'C:\';
typ := GetDriveType(PChar(s));
if Typ <> 0 then case typ of
DRIVE_REMOVABLE:
begin
ShowMessage('Drive Removable / Diskette');
end;
DRIVE_FIXED:
begin
ShowMessage('Drive fixed');
end;
DRIVE_CDROM:
begin
ShowMessage('CD ROM Drive');
end;
DRIVE_RAMDISK:
begin
ShowMessage('RAM Drive');
end;
DRIVE_REMOTE:
begin
ShowMessage('Remote Drive');
end;
end;
end;

end.