Скачать: CL | DM;

Открытие CD по букве...   Найти похожие ветки 

← →
Гриня   (2003-02-28 00:15) [0]

Люди как открыть CD по букве диска???

---

← →
aga ©   (2003-02-28 09:52) [1]

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.

---

Страницы: 1 вся ветка

Скачать: CL | DM;



Память: 0.45 MB
Время: 0.011 c