Activer/Désactiver la fonction autorun du lecteur CD

uses Registry;

procedure CDSetAutoPlay(SioNo: Boolean);
var
Reg: TRegistry;
begin
try
Reg := TRegistry.Create;
Reg.RootKey := HKEY_LOCAL_MACHINE;
if Reg.KeyExists('SoftwareClassesAudioCD') then
if Reg.OpenKey('SoftwareClassesAudioCDShell',false) then
if SioNo then Reg.WriteString('','play')
else Reg.WriteString('','');
finally
Reg.Free;
end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
{Activer AutoPlay:}
CDSetAutoPlay(true);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
{DésactiverAutoplay:}
CDSetAutoPlay(false);
end;