GdPictureImaging.PdfReaderGetEncryptionScheme Method

Returns if any, the encryption scheme used to encode a PDF.

public PdfEncryption PdfReaderGetEncryptionScheme(
    int hPdf
);

Visual Basic

Public Function PdfReaderGetEncryptionScheme(
    ByVal hPdf As Integer
) As PdfEncryption

Parameters

Parameters	Description
hPdf	A PDF handle returned by the PdfReaderLoadFromFile or the PdfReaderLoadFromStream function.

Returns

The encryption scheme used to encode the PDF. A member of the PdfEncryption enumeration.

Before using this function on an encrypted PDF, make sure it has been decoded using the PdfReaderSetPassword function.