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
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