Engine オブジェクトの IsPdfPortfolioFromStream メソッド

HRESULT IsPdfPortfolioFromStream(
  IReadStream*            Stream,
  IImagePasswordCallback* Callback,
  VARIANT_BOOL*           Result
);

bool IsPdfPortfolioFromStream(
  IReadStream             Stream,
  IImagePasswordCallback  Callback
);

Function IsPdfPortfolioFromStream( _
  Stream As IReadStream, _
  [Callback As IImagePasswordCallback = Nothing] _
) As Boolean