uses ...,mmSystem;function CloseOpenCDRom(c:String;bOpen:Boolean):string; const N=127; var err:array[0..N] of char; s:string ; begin s:='open '+c+': type CDAudio alias finch'; mciSendString(pchar(s),err, N, 0); if bOpen then mciSendString('set finch door open',err,N, 0) else mciSendString('set finch door closed',err,N, 0); Result:=err; end;function OpenCDRom(c:string):string; begin result:=CloseOpenCDRom(c,true); end;function CloseCDRom(c:string):string; begin result:=CloseOpenCDRom(c,false); end;procedure TForm1.Button1Click(Sender: TObject); begin openCDROM('F'); end;procedure TForm1.Button2Click(Sender: TObject); begin CloseCDROM('F'); end;procedure TForm1.Button3Click(Sender: TObject); begin openCDROM('G'); end;procedure TForm1.Button4Click(Sender: TObject); begin CloseCDROM('G'); end;
use mmsystem;//开 mciSendString('Set CDAudio Door Open Wait', 0, 0, 0); //关 mciSendString('Set CDAudio Door Closed Wait', 0, 0, 0);多光驱没做过,不过可以从设备号入手.
const N=127;
var
err:array[0..N] of char;
s:string ;
begin
s:='open '+c+': type CDAudio alias finch';
mciSendString(pchar(s),err, N, 0);
if bOpen then mciSendString('set finch door open',err,N, 0)
else mciSendString('set finch door closed',err,N, 0);
Result:=err;
end;function OpenCDRom(c:string):string;
begin
result:=CloseOpenCDRom(c,true);
end;function CloseCDRom(c:string):string;
begin
result:=CloseOpenCDRom(c,false);
end;procedure TForm1.Button1Click(Sender: TObject);
begin
openCDROM('F');
end;procedure TForm1.Button2Click(Sender: TObject);
begin
CloseCDROM('F');
end;procedure TForm1.Button3Click(Sender: TObject);
begin
openCDROM('G');
end;procedure TForm1.Button4Click(Sender: TObject);
begin
CloseCDROM('G');
end;
mciSendString('Set CDAudio Door Open Wait', 0, 0, 0);
//关
mciSendString('Set CDAudio Door Closed Wait', 0, 0, 0);多光驱没做过,不过可以从设备号入手.