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Add the user password to existing PDF File without displaying or decoding any of the images.
Public Function PDFEditEncrypt( _
ByVal strSourceFile As String, _
ByVal strOutputFile As String, _
ByVal strUserPass As String, _
ByVal strOwnerPass As String
)
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Parameter
strSourceFile
The source of PDF File.
strOutputFile
The output of PDF File.
strUserPass
The string of user password.
strOwnerPass
The string of owner password.
No Return Value
Example
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Visual Basic Syntax
ImageViewer1.PDFEditEncrypt "c:\sourcepdf.pdf", 1, "c:\output.pdf", "123", "123"
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