OUVRIR/FERMER UN LECTEUR CD SIMPLEMENT

Commentaire de Pag le 20/08/2002 07:47:59

J'ai trouver la source: ---->


//                  ____       _          ______            __
//                 / __ \_____(_)   _____/_  __/___  ____  / /____
//                / / / / ___/ / | / / _ / / / __ / __ / / ___/
//               / /_/ / /  / /| |/ /  __/ / / /_/ / /_/ / (__  )
//              /_____/_/  /_/ |___/\___/_/  \____/\____/_/____/
//
(*******************************************************************************
* DriveTools 1.0                                                               *
*                                                                              *
*                 (c) 1999 Jan Peter Stotz                                     *
*                                                                              *
********************************************************************************
*                                                                              *
* If you find bugs, has ideas for missing featurs, feel free to contact me     *
*                           jpstotz@gmx.de                                     *
*                                                                              *
********************************************************************************
* Date last modified:   May 22, 1999                                           *
*******************************************************************************)

unit DriveTools;

interface

uses
  Windows, SysUtils, MMSystem;

function CloseCD(Drive : Char) : Boolean;
function OpenCD(Drive : Char) : Boolean;

implementation

function OpenCD(Drive : Char) : 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;

function CloseCD(Drive : Char) : 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;


end.

Commentaire de slachz le 16/07/2004 00:45:19

sinon avec une unit qu'on possede déjà => http://www.passiondelphi.net/astuce.php?PHPSESSID=&action=Show&id=25&categorie=System