Initial

Исходный код версии 2.0

sources/cdejecter_dll/__history/cdejecter.lpr;14

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+library cdejecter;
+{$mode delphi}
+{$codepage UTF8}
+uses Interfaces, Classes, LazUTF8Classes, sysutils, cde_types, windows, mmsystem, LazFileUtils;
+{$R *.res}
+function GetCDDiscs: PWideChar;
+var i, j : Integer;
+    Buf : array [0..95] of Char;
+    SL: TStringListUTF8;
+begin
+GetLogicalDriveStrings(96, Buf);
+for j:=0 to 25 do
+ if Buf[j*4+2] <> #92 then
+  Break;
+SL:= TStringListUTF8.Create;
+for i:=0 to j-1 do
+ begin
+ if GetDriveType(@Buf[i*4])= DRIVE_CDROM then
+  SL.Add(AnsiLowerCase(String(Buf[i*4])) + ':\');
+ end;
+SL.Delimiter:= ';';
+Result:= PWideChar(SL.DelimitedText);
+SL.Clear;
+SL.Free;
+end;
+function GetDiscState (const ADisc: WideChar): TDiscState;
+var sRec: TSearchRec;
+    res: Integer;
+begin
+Result:= dsNIL;
+SetErrorMode(SEM_FAILCRITICALERRORS);
+{$I-}
+res:= FindFirstUTF8(ADisc + ':\*.*', faAnyfile, SRec);
+FindCloseUTF8(SRec);
+{$I+}
+case res of
+ 0: Result:= dsNormal;
+ 2,18: Result:= dsEmpty;
+ 21,3: Result:= dsNIL;
+ else
+ Result:= dsUnFormatted;
+ end;
+end;
+function GetVolumeInfo (const ADisc: WideChar): TDiscInfo;
+var root: PChar;
+    res: LongBool;
+    VolumeNameBuffer, FileSystemNameBuffer: PChar;
+    VolumeNameSize,FileSystemNameSize: DWORD;
+    VolumeSerialNumber, MaximumComponentLength, FileSystemFlags: DWORD;
+    s: String;
+begin
+s:= ADisc + ':\';
+root:= PChar(s);
+GetMem(VolumeNameBuffer, 256);
+Getmem(FileSystemNameBuffer, 256);
+VolumeNameSize:= 255;
+FileSystemNameSize:= 255;
+res:= GetVolumeInformation(Root, VolumeNameBuffer, VolumeNameSize, @VolumeSerialNumber, MaximumComponentLength, FileSystemFlags, FileSystemNameBuffer, FileSystemNameSize);
+with Result do
+ begin
+ diHasInfo:= res;
+ diDrive:= ADisc;
+ diVolumeName:= VolumeNameBuffer;
+ diFileSystem:= FileSystemNameBuffer;
+ diSerial:= VolumeSerialNumber;
+ end;
+Freemem(VolumeNameBuffer, 256);
+Freemem(FileSystemNameBuffer, 256);
+end;
+function EjectCD (const ADisc: WideChar): Boolean;
+var Res: MciError;
+    OpenParm: TMCI_Open_Parms;
+    Flags: DWord;
+    S: String;
+    DeviceID: Word;
+begin
+Result:= False;
+if ADisc = '' then
+ Abort;
+S:= ADisc + ':';
+if GetDriveType(PChar(S)) = DRIVE_CDROM then
+ begin
+ 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;
+end;
+exports GetCDDiscs, GetVolumeInfo, EjectCD;
+begin
+end.
+