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Encrypt PDF document using standard PDF 40 RC4 bit encryption and adjust standard PDF permissions. You must set the PDFOutputPDFA=True if you need securing a PDF file with a user (open) and an owner (permission) password and setting permissions
Public Function PDFSetEncryption40bit( _
ByVal bEnablePrinting As Bool, _
ByVal bEnableEditing As Bool, _
ByVal bEnableExtraction As Bool, _
ByVal bEnableModifyAnnotations As Bool
) As Boolean
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Parameter
bEnablePrinting
true - enable printing permissions. Otherwise set to false.
bEnableEditing
true - enable change the document. Otherwise set to false.
bEnableExtraction
true - enable Content copying or extraction. Otherwise set to false.
bEnableModifyAnnotations
true - enable modify Annotations. Otherwise set to false.
No Return Value
Example
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Visual Basic Syntax
ImageViewer1.FileName="c:\test1.tif"
ImageViewer1.PDFOutputPDFA=True
ImageViewer1.PDFSetPassword "123", "123"
ImageViewer1.PDFSetEncryption40bit True, True, True, True
ImageViewer1.Save "c:\outpdf", "PDF"
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