Q: I wanted to know if there is any means to open a password protected
PDF file.
The class PDFDoc only takes one argument (the filepath). So, is there
any other class that can be used to open a password protected .pdf
file?
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A: To open secured PDF documents you can call InitStdSecurityHandler()
after creating the document:
For example:
PDFDoc doc = new PDFDoc("secured.pdf");
if (!doc.InitStdSecurityHandler("test")) {
// Incorrect password ... try calling InitStdSecurityHandler() with
a different password?
}
For a full sample code please take a look at EncTest sample project
(http://www.pdftron.com/net/samplecode.html#EncTest).
There some other ways to process secured PDFs using PDFNet but the
above approach is the simplest.