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...check if CD-ROM is open?
Autor: Simon Grossenbacher
Homepage: http://www.swissdelphicenter.ch
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Tip Rating (10):  
     


uses
  
mmsystem;
 
procedure TForm1.Button1Click(Sender: TObject);
var
  
s: array[0..64] of Char;
  error: Cardinal;
  Text: array[0..255] of Char;
begin
  
error := mciSendstring('open cdaudio alias geraet', nil, 0, Handle);
  if error <> 0 then
  begin
    
mciGetErrorstring(error, @Text, 255);
    ShowMessage(Text);
    mciSendstring('close geraet', nil, 0, Handle);
    Exit;
  end;

  error := mciSendstring('status geraet mode', @s, SizeOf(s), Handle);
  if error <> 0 then
  begin
    
mciGetErrorstring(error, @Text, 255);
    ShowMessage(Text);
    mciSendstring('close geraet', nil, 0, Handle);
    Exit;
  end;

  mciSendstring('close geraet', nil, 0, Handle);
  ShowMessage('Message: ' + s);
end;


 

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