[Lazarus] GetVolumeInformation

[cyber python]

Remember to include Windows in your uses clause :

function GetVolumeID(DriveChar: Char): String;
//Para obtener el # de serie de un disco
var
  MaxFileNameLength, VolFlags, SerNum: DWord;
  DrivePath : String;
begin
  DrivePath :=  DriveChar + ':\';
  if GetVolumeInformation(PChar(DrivePath), nil, 0,
     @SerNum, MaxFileNameLength, VolFlags, nil, 0)
  then
  begin
      Result := IntToStr(SerNum);
  end
  else
      Result := '';
end;
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