uses

  ..., ShlObj, ComObj, ActiveX;

function GetFileArgumentsFromLink( LinkFileName: string ): string;

var

  MyObject: IUnknown;

  MySLink: IShellLink;

  MyPFile: IPersistFile;

  WidePath: array[0..MAX_PATH] of WideChar;

  Buff: array[0..MAX_PATH] of Char;

begin

   Result := '';

   if ( FileExists( LinkFileName ) = false ) then

      Exit;

   MyObject := CreateComObject( CLSID_ShellLink );

   MyPFile := MyObject as IPersistFile;

   MySLink := MyObject as IShellLink;

   StringToWideChar( LinkFileName, WidePath, SizeOf( WidePath ) );

   MyPFile.Load( WidePath, STGM_READ );

   MySLink.GetArguments( Buff, MAX_PATH );

   Result := buff;

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

   ShowMessage( GetFileArgumentsFromLink( 'C:\NOTEPAD.lnk' ) );

end;