DocumentEncryption
IPDFDocument4 :: General document management :: Document protection and encryption

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This property gets or sets the PDF document's encryption level.

Syntax

EncryptionLevel DocumentEncryption { get; set; }
Value
One of the EncryptionLevel values.

Remarks

See the UserPassword property for examples.

Note: Setting this property to el128bitRC4 will force the output file format version to be 1.4. See compatibility for more details.

See Also

Reference
IPDFDocument4
Document protection and encryption