Форум: "WinAPI";
Текущий архив: 2006.05.28;
Скачать: [xml.tar.bz2];

Вниз

Есть ли в CD-ROM диск?   Найти похожие ветки 

← →
GoshaT   (2006-03-01 12:18) [0]

Как узнать есть ли в CD-ROM диск?

---

← →
clickmaker ©   (2006-03-01 12:27) [1]

OldMode := SetErrorMode(SEM_FAILCRITICALERRORS);
bCoffeeHolderNotEmpty := SetCurrentDirectory("F:\");
SetErrorMode(OldMode);

---

← →
tesseract ©   (2006-03-02 10:22) [2]

см.
GetlogicalDrives.
GetDriveType


> OldMode := SetErrorMode(SEM_FAILCRITICALERRORS);bCoffeeHolderNotEmpty
> := SetCurrentDirectory("F:\");SetErrorMode(OldMode);

Кончайте уже.

---

← →
begin...end ©   (2006-03-02 12:10) [3]

> tesseract ©   (02.03.06 10:22) [2]

Кончать следует как раз Вам. Причём чем скорее, тем лучше.

---

← →
Fay ©   (2006-03-02 15:19) [4]

2 tesseract ©   (02.03.06 10:22) [2]
> GetlogicalDrives.
И что это даст?

---

← →
Nick Denry ©   (2006-03-02 15:28) [5]

Еще можно через MCI


unit mci;

interface

uses Windows,Messages{,MMSystem};

type
TMPDeviceTypes = (dtAutoSelect, dtAVIVideo, dtCDAudio, dtDAT,
                  dtDigitalVideo, dtMMMovie, dtOther, dtOverlay,
                  dtScanner, dtSequencer, dtVCR, dtVideodisc, dtWaveAudio);

 MCIERROR  = DWORD;

 MCIDEVICEID = UINT;   { MCI device ID type }
{$EXTERNALSYM mciSendCommand}
function mciSendCommand(mciId: MCIDEVICEID; uMessage: UINT;
 dwParam1, dwParam2: DWORD): MCIERROR; stdcall;

{ parameter block for MCI_OPEN command message }
type
 PMCI_Open_ParmsA = ^TMCI_Open_ParmsA;
 PMCI_Open_ParmsW = ^TMCI_Open_ParmsW;
 PMCI_Open_Parms = PMCI_Open_ParmsA;
 {$EXTERNALSYM tagMCI_OPEN_PARMSA}
 tagMCI_OPEN_PARMSA = record
   dwCallback: DWORD;
   wDeviceID: MCIDEVICEID;
   lpstrDeviceType: PAnsiChar;
   lpstrElementName: PAnsiChar;
   lpstrAlias: PAnsiChar;
 end;
 {$EXTERNALSYM tagMCI_OPEN_PARMSW}
 tagMCI_OPEN_PARMSW = record
   dwCallback: DWORD;
   wDeviceID: MCIDEVICEID;
   lpstrDeviceType: PWideChar;
   lpstrElementName: PWideChar;
   lpstrAlias: PWideChar;
 end;
 {$EXTERNALSYM tagMCI_OPEN_PARMS}
 tagMCI_OPEN_PARMS = tagMCI_OPEN_PARMSA;
 TMCI_Open_ParmsA = tagMCI_OPEN_PARMSA;
 TMCI_Open_ParmsW = tagMCI_OPEN_PARMSW;
 TMCI_Open_Parms = TMCI_Open_ParmsA;
 {$EXTERNALSYM MCI_OPEN_PARMSA}
 MCI_OPEN_PARMSA = tagMCI_OPEN_PARMSA;
 {$EXTERNALSYM MCI_OPEN_PARMSW}
 MCI_OPEN_PARMSW = tagMCI_OPEN_PARMSW;
 {$EXTERNALSYM MCI_OPEN_PARMS}
 MCI_OPEN_PARMS = MCI_OPEN_PARMSA;

{ parameter block for MCI_STATUS command message }
type
 PMCI_Status_Parms = ^TMCI_Status_Parms;
 {$EXTERNALSYM tagMCI_STATUS_PARMS}
 tagMCI_STATUS_PARMS = record
   dwCallback: DWORD;
   dwReturn: DWORD;
   dwItem: DWORD;
   dwTrack: DWORD;
 end;
 TMCI_Status_Parms = tagMCI_STATUS_PARMS;
 {$EXTERNALSYM MCI_STATUS_PARMS}
 MCI_STATUS_PARMS = tagMCI_STATUS_PARMS;

const
MCIERR_NONE_ERROR             =  0;
cddbOK   =  0;
cddbDriveInUse  = -1;
cddbUnableToOpen  = -2;
cddbMSFFormatUnavailable = -3;
cddbNoDiscInDrive  = -4;
cddbNoTracks   = -5;
cddbUnableToGetTracks  = -6;
DeviceName: array[TMPDeviceTypes] of PChar =
("", "AVIVideo", "CDAudio", "DAT",
 "DigitalVideo", "MMMovie", "Other",
 "Overlay", "Scanner", "Sequencer",
 "VCR", "Videodisc", "WaveAudio");
{ MCI error return values }

const
 {$EXTERNALSYM MCIERR_BASE}
 MCIERR_BASE            = 256;

 {$EXTERNALSYM MCIERR_INVALID_DEVICE_ID}
 MCIERR_INVALID_DEVICE_ID        = MCIERR_BASE + 1;
 {$EXTERNALSYM MCIERR_UNRECOGNIZED_KEYWORD}
 MCIERR_UNRECOGNIZED_KEYWORD     = MCIERR_BASE + 3;


---

← →
Nick Denry ©   (2006-03-02 15:28) [6]


 {$EXTERNALSYM MCIERR_UNRECOGNIZED_COMMAND}
 MCIERR_UNRECOGNIZED_COMMAND     = MCIERR_BASE + 5;
 {$EXTERNALSYM MCIERR_HARDWARE}
 MCIERR_HARDWARE                 = MCIERR_BASE + 6;
 {$EXTERNALSYM MCIERR_INVALID_DEVICE_NAME}
 MCIERR_INVALID_DEVICE_NAME      = MCIERR_BASE + 7;
 {$EXTERNALSYM MCIERR_OUT_OF_MEMORY}
 MCIERR_OUT_OF_MEMORY            = MCIERR_BASE + 8;
 {$EXTERNALSYM MCIERR_DEVICE_OPEN}
 MCIERR_DEVICE_OPEN              = MCIERR_BASE + 9;
 {$EXTERNALSYM MCIERR_CANNOT_LOAD_DRIVER}
 MCIERR_CANNOT_LOAD_DRIVER       = MCIERR_BASE + 10;
 {$EXTERNALSYM MCIERR_MISSING_COMMAND_STRING}
 MCIERR_MISSING_COMMAND_STRING   = MCIERR_BASE + 11;
 {$EXTERNALSYM MCIERR_PARAM_OVERFLOW}
 MCIERR_PARAM_OVERFLOW           = MCIERR_BASE + 12;
 {$EXTERNALSYM MCIERR_MISSING_STRING_ARGUMENT}
 MCIERR_MISSING_STRING_ARGUMENT  = MCIERR_BASE + 13;
 {$EXTERNALSYM MCIERR_BAD_INTEGER}
 MCIERR_BAD_INTEGER              = MCIERR_BASE + 14;
 {$EXTERNALSYM MCIERR_PARSER_INTERNAL}
 MCIERR_PARSER_INTERNAL          = MCIERR_BASE + 15;
 {$EXTERNALSYM MCIERR_DRIVER_INTERNAL}
 MCIERR_DRIVER_INTERNAL          = MCIERR_BASE + 16;
 {$EXTERNALSYM MCIERR_MISSING_PARAMETER}
 MCIERR_MISSING_PARAMETER        = MCIERR_BASE + 17;
 {$EXTERNALSYM MCIERR_UNSUPPORTED_FUNCTION}
 MCIERR_UNSUPPORTED_FUNCTION     = MCIERR_BASE + 18;
 {$EXTERNALSYM MCIERR_FILE_NOT_FOUND}
 MCIERR_FILE_NOT_FOUND           = MCIERR_BASE + 19;
 {$EXTERNALSYM MCIERR_DEVICE_NOT_READY}
 MCIERR_DEVICE_NOT_READY         = MCIERR_BASE + 20;
 {$EXTERNALSYM MCIERR_INTERNAL}
 MCIERR_INTERNAL                 = MCIERR_BASE + 21;
 {$EXTERNALSYM MCIERR_DRIVER}
 MCIERR_DRIVER                   = MCIERR_BASE + 22;
 {$EXTERNALSYM MCIERR_CANNOT_USE_ALL}
 MCIERR_CANNOT_USE_ALL           = MCIERR_BASE + 23;
 {$EXTERNALSYM MCIERR_MULTIPLE}
 MCIERR_MULTIPLE                 = MCIERR_BASE + 24;
 {$EXTERNALSYM MCIERR_EXTENSION_NOT_FOUND}
 MCIERR_EXTENSION_NOT_FOUND      = MCIERR_BASE + 25;
 {$EXTERNALSYM MCIERR_OUTOFRANGE}
 MCIERR_OUTOFRANGE               = MCIERR_BASE + 26;
 {$EXTERNALSYM MCIERR_FLAGS_NOT_COMPATIBLE}
 MCIERR_FLAGS_NOT_COMPATIBLE     = MCIERR_BASE + 28;
 {$EXTERNALSYM MCIERR_FILE_NOT_SAVED}
 MCIERR_FILE_NOT_SAVED           = MCIERR_BASE + 30;
 {$EXTERNALSYM MCIERR_DEVICE_TYPE_REQUIRED}
 MCIERR_DEVICE_TYPE_REQUIRED     = MCIERR_BASE + 31;
 {$EXTERNALSYM MCIERR_DEVICE_LOCKED}
 MCIERR_DEVICE_LOCKED            = MCIERR_BASE + 32;
 {$EXTERNALSYM MCIERR_DUPLICATE_ALIAS}
 MCIERR_DUPLICATE_ALIAS          = MCIERR_BASE + 33;
 {$EXTERNALSYM MCIERR_BAD_CONSTANT}
 MCIERR_BAD_CONSTANT             = MCIERR_BASE + 34;
 {$EXTERNALSYM MCIERR_MUST_USE_SHAREABLE}
 MCIERR_MUST_USE_SHAREABLE       = MCIERR_BASE + 35;
 {$EXTERNALSYM MCIERR_MISSING_DEVICE_NAME}
 MCIERR_MISSING_DEVICE_NAME      = MCIERR_BASE + 36;
 {$EXTERNALSYM MCIERR_BAD_TIME_FORMAT}
 MCIERR_BAD_TIME_FORMAT          = MCIERR_BASE + 37;
 {$EXTERNALSYM MCIERR_NO_CLOSING_QUOTE}
 MCIERR_NO_CLOSING_QUOTE         = MCIERR_BASE + 38;
 {$EXTERNALSYM MCIERR_DUPLICATE_FLAGS}
 MCIERR_DUPLICATE_FLAGS          = MCIERR_BASE + 39;
 {$EXTERNALSYM MCIERR_INVALID_FILE}
 MCIERR_INVALID_FILE             = MCIERR_BASE + 40;
 {$EXTERNALSYM MCIERR_NULL_PARAMETER_BLOCK}
 MCIERR_NULL_PARAMETER_BLOCK     = MCIERR_BASE + 41;
 {$EXTERNALSYM MCIERR_UNNAMED_RESOURCE}
 MCIERR_UNNAMED_RESOURCE         = MCIERR_BASE + 42;
 {$EXTERNALSYM MCIERR_NEW_REQUIRES_ALIAS}
 MCIERR_NEW_REQUIRES_ALIAS       = MCIERR_BASE + 43;
 {$EXTERNALSYM MCIERR_NOTIFY_ON_AUTO_OPEN}
 MCIERR_NOTIFY_ON_AUTO_OPEN      = MCIERR_BASE + 44;
 {$EXTERNALSYM MCIERR_NO_ELEMENT_ALLOWED}
 MCIERR_NO_ELEMENT_ALLOWED       = MCIERR_BASE + 45;
 {$EXTERNALSYM MCIERR_NONAPPLICABLE_FUNCTION}
 MCIERR_NONAPPLICABLE_FUNCTION   = MCIERR_BASE + 46;
 {$EXTERNALSYM MCIERR_ILLEGAL_FOR_AUTO_OPEN}
 MCIERR_ILLEGAL_FOR_AUTO_OPEN    = MCIERR_BASE + 47;
 {$EXTERNALSYM MCIERR_FILENAME_REQUIRED}
 MCIERR_FILENAME_REQUIRED        = MCIERR_BASE + 48;
 {$EXTERNALSYM MCIERR_EXTRA_CHARACTERS}
 MCIERR_EXTRA_CHARACTERS         = MCIERR_BASE + 49;
 {$EXTERNALSYM MCIERR_DEVICE_NOT_INSTALLED}
 MCIERR_DEVICE_NOT_INSTALLED     = MCIERR_BASE + 50;
 {$EXTERNALSYM MCIERR_GET_CD}
 MCIERR_GET_CD                   = MCIERR_BASE + 51;
 {$EXTERNALSYM MCIERR_SET_CD}
 MCIERR_SET_CD                   = MCIERR_BASE + 52;
 {$EXTERNALSYM MCIERR_SET_DRIVE}
 MCIERR_SET_DRIVE                = MCIERR_BASE + 53;
 {$EXTERNALSYM MCIERR_DEVICE_LENGTH}
 MCIERR_DEVICE_LENGTH            = MCIERR_BASE + 54;
 {$EXTERNALSYM MCIERR_DEVICE_ORD_LENGTH}
 MCIERR_DEVICE_ORD_LENGTH        = MCIERR_BASE + 55;
 {$EXTERNALSYM MCIERR_NO_INTEGER}
 MCIERR_NO_INTEGER               = MCIERR_BASE + 56;

 const
 {$EXTERNALSYM MCIERR_WAVE_OUTPUTSINUSE}
 MCIERR_WAVE_OUTPUTSINUSE        = MCIERR_BASE + 64;
 {$EXTERNALSYM MCIERR_WAVE_SETOUTPUTINUSE}
 MCIERR_WAVE_SETOUTPUTINUSE      = MCIERR_BASE + 65;
 {$EXTERNALSYM MCIERR_WAVE_INPUTSINUSE}
 MCIERR_WAVE_INPUTSINUSE         = MCIERR_BASE + 66;
 {$EXTERNALSYM MCIERR_WAVE_SETINPUTINUSE}
 MCIERR_WAVE_SETINPUTINUSE       = MCIERR_BASE + 67;
 {$EXTERNALSYM MCIERR_WAVE_OUTPUTUNSPECIFIED}
 MCIERR_WAVE_OUTPUTUNSPECIFIED   = MCIERR_BASE + 68;
 {$EXTERNALSYM MCIERR_WAVE_INPUTUNSPECIFIED}
 MCIERR_WAVE_INPUTUNSPECIFIED    = MCIERR_BASE + 69;
 {$EXTERNALSYM MCIERR_WAVE_OUTPUTSUNSUITABLE}
 MCIERR_WAVE_OUTPUTSUNSUITABLE   = MCIERR_BASE + 70;
 {$EXTERNALSYM MCIERR_WAVE_SETOUTPUTUNSUITABLE}
 MCIERR_WAVE_SETOUTPUTUNSUITABLE = MCIERR_BASE + 71;
 {$EXTERNALSYM MCIERR_WAVE_INPUTSUNSUITABLE}
 MCIERR_WAVE_INPUTSUNSUITABLE    = MCIERR_BASE + 72;
 {$EXTERNALSYM MCIERR_WAVE_SETINPUTUNSUITABLE}
 MCIERR_WAVE_SETINPUTUNSUITABLE  = MCIERR_BASE + 73;

 {$EXTERNALSYM MCIERR_SEQ_DIV_INCOMPATIBLE}
 MCIERR_SEQ_DIV_INCOMPATIBLE     = MCIERR_BASE + 80;
 {$EXTERNALSYM MCIERR_SEQ_PORT_INUSE}
 MCIERR_SEQ_PORT_INUSE           = MCIERR_BASE + 81;
 {$EXTERNALSYM MCIERR_SEQ_PORT_NONEXISTENT}
 MCIERR_SEQ_PORT_NONEXISTENT     = MCIERR_BASE + 82;
 {$EXTERNALSYM MCIERR_SEQ_PORT_MAPNODEVICE}
 MCIERR_SEQ_PORT_MAPNODEVICE     = MCIERR_BASE + 83;
 {$EXTERNALSYM MCIERR_SEQ_PORT_MISCERROR}
 MCIERR_SEQ_PORT_MISCERROR       = MCIERR_BASE + 84;
 {$EXTERNALSYM MCIERR_SEQ_TIMER}
 MCIERR_SEQ_TIMER                = MCIERR_BASE + 85;
 {$EXTERNALSYM MCIERR_SEQ_PORTUNSPECIFIED}
 MCIERR_SEQ_PORTUNSPECIFIED      = MCIERR_BASE + 86;
 {$EXTERNALSYM MCIERR_SEQ_NOMIDIPRESENT}
 MCIERR_SEQ_NOMIDIPRESENT        = MCIERR_BASE + 87;


---

← →
Nick Denry ©   (2006-03-02 15:29) [7]



 {$EXTERNALSYM MCIERR_NO_WINDOW}
 MCIERR_NO_WINDOW                = MCIERR_BASE + 90;
 {$EXTERNALSYM MCIERR_CREATEWINDOW}
 MCIERR_CREATEWINDOW             = MCIERR_BASE + 91;
 {$EXTERNALSYM MCIERR_FILE_READ}
 MCIERR_FILE_READ                = MCIERR_BASE + 92;
 {$EXTERNALSYM MCIERR_FILE_WRITE}
 MCIERR_FILE_WRITE               = MCIERR_BASE + 93;

 {$EXTERNALSYM MCIERR_NO_IDENTITY}
 MCIERR_NO_IDENTITY              = MCIERR_BASE + 94;

{ all custom device driver errors must be >= this value }
const
 {$EXTERNALSYM MCIERR_CUSTOM_DRIVER_BASE}
 MCIERR_CUSTOM_DRIVER_BASE       = mcierr_Base + 256;

const
 {$EXTERNALSYM MCI_STRING_OFFSET}
 MCI_STRING_OFFSET      = 512;

{$EXTERNALSYM MCI_DEVTYPE_CD_AUDIO}
 MCI_DEVTYPE_CD_AUDIO            = MCI_STRING_OFFSET + 4;

{$EXTERNALSYM MCI_OPEN}
 MCI_OPEN       = $0803;

 {$EXTERNALSYM MCI_OPEN_TYPE}
 MCI_OPEN_TYPE                   = $00002000;

   {$EXTERNALSYM MCI_WAIT}
 MCI_WAIT                        = $00000002;

 {$EXTERNALSYM MCI_STATUS_MEDIA_PRESENT}
 MCI_STATUS_MEDIA_PRESENT        = $00000005;

  {$EXTERNALSYM MCI_STATUS}
 MCI_STATUS     = $0814;

 {$EXTERNALSYM MCI_STATUS_ITEM}
 MCI_STATUS_ITEM                 = $00000100;

 {$EXTERNALSYM MCI_CLOSE}
 MCI_CLOSE      = $0804;

function CheckCD(MPDeviceType: TMPDeviceTypes; var Error: mciError): Integer;
function GetErrorMgs(Error: Integer): PChar;

function mciSendCommand; external "Winmm.dll" name "mciSendCommandA";

implementation

function GetErrorMgs(Error: Integer): PChar;
begin
case Error of
MCIERR_NONE_ERROR               : Result := "MCIERR_NONE_ERROR";
MCIERR_INVALID_DEVICE_ID        : Result := "MCIERR_INVALID_DEVICE_ID";
MCIERR_UNRECOGNIZED_KEYWORD     : Result := "MCIERR_UNRECOGNIZED_KEYWORD";
MCIERR_UNRECOGNIZED_COMMAND     : Result := "MCIERR_UNRECOGNIZED_COMMAND";
MCIERR_HARDWARE                 : Result := "MCIERR_HARDWARE";
MCIERR_INVALID_DEVICE_NAME      : Result := "MCIERR_INVALID_DEVICE_NAME";
MCIERR_OUT_OF_MEMORY            : Result := "MCIERR_OUT_OF_MEMORY";
MCIERR_DEVICE_OPEN              : Result := "MCIERR_DEVICE_OPEN";
MCIERR_CANNOT_LOAD_DRIVER       : Result := "MCIERR_CANNOT_LOAD_DRIVER";
MCIERR_MISSING_COMMAND_STRING   : Result := "MCIERR_MISSING_COMMAND_STRING";
MCIERR_PARAM_OVERFLOW           : Result := "MCIERR_PARAM_OVERFLOW";
MCIERR_MISSING_STRING_ARGUMENT  : Result := "MCIERR_MISSING_STRING_ARGUMENT";
MCIERR_BAD_INTEGER              : Result := "MCIERR_BAD_INTEGER";
MCIERR_PARSER_INTERNAL          : Result := "MCIERR_PARSER_INTERNAL";
MCIERR_DRIVER_INTERNAL          : Result := "MCIERR_DRIVER_INTERNAL";
MCIERR_MISSING_PARAMETER        : Result := "MCIERR_MISSING_PARAMETER";
MCIERR_UNSUPPORTED_FUNCTION     : Result := "MCIERR_UNSUPPORTED_FUNCTION";
MCIERR_FILE_NOT_FOUND           : Result := "MCIERR_FILE_NOT_FOUND";
MCIERR_DEVICE_NOT_READY         : Result := "MCIERR_DEVICE_NOT_READY";
MCIERR_INTERNAL                 : Result := "MCIERR_INTERNAL";
MCIERR_DRIVER                   : Result := "MCIERR_DRIVER";
MCIERR_CANNOT_USE_ALL           : Result := "MCIERR_CANNOT_USE_ALL";
MCIERR_MULTIPLE                 : Result := "MCIERR_MULTIPLE";
MCIERR_EXTENSION_NOT_FOUND      : Result := "MCIERR_EXTENSION_NOT_FOUND";
MCIERR_OUTOFRANGE               : Result := "MCIERR_OUTOFRANGE";
MCIERR_FLAGS_NOT_COMPATIBLE     : Result := "MCIERR_FLAGS_NOT_COMPATIBLE";
MCIERR_FILE_NOT_SAVED           : Result := "MCIERR_FILE_NOT_SAVED";
MCIERR_DEVICE_TYPE_REQUIRED     : Result := "MCIERR_DEVICE_TYPE_REQUIRED";
MCIERR_DEVICE_LOCKED            : Result := "MCIERR_DEVICE_LOCKED";
MCIERR_DUPLICATE_ALIAS          : Result := "MCIERR_DUPLICATE_ALIAS";
MCIERR_BAD_CONSTANT             : Result := "MCIERR_BAD_CONSTANT";
MCIERR_MUST_USE_SHAREABLE       : Result := "MCIERR_MUST_USE_SHAREABLE";
MCIERR_MISSING_DEVICE_NAME      : Result := "MCIERR_MISSING_DEVICE_NAME";
MCIERR_BAD_TIME_FORMAT          : Result := "MCIERR_BAD_TIME_FORMAT";
MCIERR_NO_CLOSING_QUOTE         : Result := "MCIERR_NO_CLOSING_QUOTE";
MCIERR_DUPLICATE_FLAGS          : Result := "MCIERR_DUPLICATE_FLAGS";
MCIERR_INVALID_FILE             : Result := "MCIERR_INVALID_FILE";
MCIERR_NULL_PARAMETER_BLOCK     : Result := "MCIERR_NULL_PARAMETER_BLOCK";
MCIERR_UNNAMED_RESOURCE         : Result := "MCIERR_UNNAMED_RESOURCE";
MCIERR_NEW_REQUIRES_ALIAS       : Result := "MCIERR_NEW_REQUIRES_ALIAS";
MCIERR_NOTIFY_ON_AUTO_OPEN      : Result := "MCIERR_NOTIFY_ON_AUTO_OPEN";
MCIERR_NO_ELEMENT_ALLOWED       : Result := "MCIERR_NO_ELEMENT_ALLOWED";
MCIERR_NONAPPLICABLE_FUNCTION   : Result := "MCIERR_NONAPPLICABLE_FUNCTION";
MCIERR_ILLEGAL_FOR_AUTO_OPEN    : Result := "MCIERR_ILLEGAL_FOR_AUTO_OPEN";
MCIERR_FILENAME_REQUIRED        : Result := "MCIERR_FILENAME_REQUIRED";
MCIERR_EXTRA_CHARACTERS         : Result := "MCIERR_EXTRA_CHARACTERS";
MCIERR_DEVICE_NOT_INSTALLED     : Result := "MCIERR_DEVICE_NOT_INSTALLED";
MCIERR_GET_CD                   : Result := "MCIERR_GET_CD";
MCIERR_SET_CD                   : Result := "MCIERR_SET_CD";
MCIERR_SET_DRIVE                : Result := "MCIERR_SET_DRIVE";
MCIERR_DEVICE_LENGTH            : Result := "MCIERR_DEVICE_LENGTH";
MCIERR_DEVICE_ORD_LENGTH        : Result := "MCIERR_DEVICE_ORD_LENGTH";
MCIERR_NO_INTEGER               : Result := "MCIERR_NO_INTEGER";

MCIERR_WAVE_OUTPUTSINUSE        : Result := "MCIERR_WAVE_OUTPUTSINUSE";
MCIERR_WAVE_SETOUTPUTINUSE      : Result := "MCIERR_WAVE_SETOUTPUTINUSE";
MCIERR_WAVE_INPUTSINUSE         : Result := "MCIERR_WAVE_INPUTSINUSE";
MCIERR_WAVE_SETINPUTINUSE       : Result := "MCIERR_WAVE_SETINPUTINUSE";
MCIERR_WAVE_OUTPUTUNSPECIFIED   : Result := "MCIERR_WAVE_OUTPUTUNSPECIFIED";
MCIERR_WAVE_INPUTUNSPECIFIED    : Result := "MCIERR_WAVE_INPUTUNSPECIFIED";
MCIERR_WAVE_OUTPUTSUNSUITABLE   : Result := "MCIERR_WAVE_OUTPUTSUNSUITABLE";
MCIERR_WAVE_SETOUTPUTUNSUITABLE : Result := "MCIERR_WAVE_SETOUTPUTUNSUITABLE";
MCIERR_WAVE_INPUTSUNSUITABLE    : Result := "MCIERR_WAVE_INPUTSUNSUITABLE";
MCIERR_WAVE_SETINPUTUNSUITABLE  : Result := "MCIERR_WAVE_SETINPUTUNSUITABLE";
MCIERR_SEQ_DIV_INCOMPATIBLE     : Result := "MCIERR_SEQ_DIV_INCOMPATIBLE";
MCIERR_SEQ_PORT_INUSE           : Result := "MCIERR_SEQ_PORT_INUSE";
MCIERR_SEQ_PORT_NONEXISTENT     : Result := "MCIERR_SEQ_PORT_NONEXISTENT";
MCIERR_SEQ_PORT_MAPNODEVICE     : Result := "MCIERR_SEQ_PORT_MAPNODEVICE";
MCIERR_SEQ_PORT_MISCERROR       : Result := "MCIERR_SEQ_PORT_MISCERROR";
MCIERR_SEQ_TIMER                : Result := "MCIERR_SEQ_TIMER";
MCIERR_SEQ_PORTUNSPECIFIED      : Result := "MCIERR_SEQ_PORTUNSPECIFIED";
MCIERR_SEQ_NOMIDIPRESENT        : Result := "MCIERR_SEQ_NOMIDIPRESENT";
MCIERR_NO_WINDOW                : Result := "MCIERR_NO_WINDOW";
MCIERR_CREATEWINDOW             : Result := "MCIERR_CREATEWINDOW";
MCIERR_FILE_READ                : Result := "MCIERR_FILE_READ";
MCIERR_FILE_WRITE               : Result := "MCIERR_FILE_WRITE";
MCIERR_NO_IDENTITY              : Result := "MCIERR_NO_IDENTITY";
else                              Result := "UNKNOWN CUSTOM ERROR";
end;
end;



---

← →
Nick Denry ©   (2006-03-02 15:30) [8]



function CheckCD(MPDeviceType: TMPDeviceTypes; var Error: mciError): Integer;
var
MCIOpen   :TMCI_OPEN_PARMS;
MCIStatus :TMCI_STATUS_PARMS;
DevID     :Integer;
begin
//MCIOpen.lpstrDeviceType := pChar(MCI_DEVTYPE_CD_AUDIO + DiskNum shl 16);
//MCIOpen.lpstrElementName := "";

MCIOpen.lpstrDeviceType := DeviceName[MPDeviceType];
Error  := mciSendCommand(MCI_DEVTYPE_CD_AUDIO,
                         MCI_OPEN, MCI_WAIT + MCI_OPEN_TYPE{ + MCI_OPEN_TYPE_ID},
                         Integer(@MCIOpen));
DevID := MCIOpen.wDeviceID;
if (Error = 0) then
 try
  MCIStatus.dwItem := MCI_STATUS_MEDIA_PRESENT;
  Error := mciSendCommand(DevID, MCI_STATUS, MCI_WAIT + MCI_STATUS_ITEM, Integer(@MCIStatus));
  if (Error = 0) and (MCIStatus.dwReturn <> 0) then Result := cddbOK
  else  Result := cddbNoDiscInDrive;
finally
  mciSendCommand(DevID, MCI_CLOSE, MCI_WAIT, 0);
end
else
  if (Error = MCIERR_MUST_USE_SHAREABLE) then Result := cddbDriveInUse
     else Result := cddbUnableToOpen;
end;

end.



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← →
eeee   (2006-03-08 19:33) [9]

if GetVolumeInformation(...) then ...

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← →
AlexeyT ©   (2006-03-09 08:37) [10]

> clickmaker ©   (01.03.06 12:27) [1]
> OldMode := SetErrorMode(SEM_FAILCRITICALERRORS);
> bCoffeeHolderNotEmpty := SetCurrentDirectory("F:\");

А SetErrorMode тут зачем? А то в справке что-то про это ничего нету.

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← →
Fay ©   (2006-03-09 10:37) [11]

> А то в справке что-то про это ничего нету.
В какой справке? По калькулятору?

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← →
AlexeyT ©   (2006-03-09 20:28) [12]

> В какой справке?

В справке win32.hlp по функции SetCurrentDirectory.

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