[dron-s]

попробуй вот так

Код:

uses
  MMSystem;
//...

//функция на открытие привода
function OpenCD(Drive: string): Boolean;
var
  Res : MciError;
  OpenParm: TMCI_Open_Parms;
  Flags : DWord;
  S : string;
  DeviceID : Word;
begin
  Result:=false;
  S:=Drive;
  Flags:=mci_Open_Type or mci_Open_Element;
  with OpenParm do
  begin
    dwCallback := 0;
    lpstrDeviceType := 'CDAudio';
    lpstrElementName := PChar(S);
  end;
  Res := mciSendCommand(0, mci_Open, Flags, Longint(@OpenParm));
  if Res<>0 then
    exit;
  DeviceID:=OpenParm.wDeviceID;
  try
    Res:=mciSendCommand(DeviceID, MCI_SET, MCI_SET_DOOR_OPEN, 0);
    if Res=0 then
      exit;
    Result:=True;
  finally
    mciSendCommand(DeviceID, mci_Close, Flags, Longint(@OpenParm));
  end;
end;

//функция на закрытие привода
function CloseCD(Drive: string): Boolean;
var
  Res : MciError;
  OpenParm: TMCI_Open_Parms;
  Flags : DWord;
  S : string;
  DeviceID : Word;
begin
  Result:=false;
  S:=Drive;
  Flags:=mci_Open_Type or mci_Open_Element;
  with OpenParm do
  begin
    dwCallback := 0;
    lpstrDeviceType := 'CDAudio';
    lpstrElementName := PChar(S);
  end;
  Res := mciSendCommand(0, mci_Open, Flags, Longint(@OpenParm));
  if Res<>0 then
    exit;
  DeviceID:=OpenParm.wDeviceID;
  try
    Res:=mciSendCommand(DeviceID, MCI_SET, MCI_SET_DOOR_CLOSED, 0);
    if Res=0 then
      exit;
    Result:=True;
  finally
    mciSendCommand(DeviceID, mci_Close, Flags, Longint(@OpenParm));
  end;
end;

//процедура добавления меню
procedure TForm1.addmainitem(s: string);
var
  newitem: Tmenuitem;
begin
  newitem := tmenuitem.create(Mainmenu1);
  newitem.caption := s;
  mainmenu1.items.insert(mainmenu1.items.count, newitem);
end;

//Инициализация приводов в системе
procedure TForm1.FormCreate(Sender: TObject);
var
  w:dword;
  Root:string;
  I, K:integer;
  Driv: array [1..25] of string;
begin
  k:=0;
  w:=GetLogicalDrives;
  Root := '#:';
  for i := 0 to 25 do
  begin
    Root[1] := Char(Ord('A')+i);
    if (W and (1 shl i))>0 then
      if GetDriveType(Pchar(Root)) = DRIVE_CDROM then
      begin
        k:=k+1;
        Driv[k] := Root;
        addmainitem(Driv[k]);
      end;
  end;
end;