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#1 Posted : Friday, July 7, 2017 5:04:17 PM(UTC)
Nick Villalobos

Groups: Registered, Manager, Tech Support, Administrators
Posts: 117

Was thanked: 4 time(s) in 4 post(s)

There are many times when you want to keep information within a PDF private from others and within the LEADTOOLS SDK you can add PDF Security Options to your document to keep information hidden from others. Below you will a small code snippet that add these security options to a PDF File.
Code:

//Load PDF File
PDFFile pdfFile = new PDFFile(fileName);

// Set the security options
pdfFile.SecurityOptions = new PDFSecurityOptions();
pdfFile.SecurityOptions.UserPassword = "PASSWORD";
pdfFile.SecurityOptions.PrintEnabled = false;
pdfFile.SecurityOptions.CopyEnabled = false;
pdfFile.SecurityOptions.HighQualityPrintEnabled = false;
pdfFile.SecurityOptions.EncryptionMode = PDFEncryptionMode.RC128Bit;

// Encrypt the file by saving it to the destination file
pdfFile.Convert(1, -1, destinationFileName);



Now when this file is attempted to be opened, it will ask for a password first. You can view more information on the PDFSecurityOptions Class here:
https://www.leadtools.co.../pdfsecurityoptions.html
Nick Villalobos
Developer Support Engineer
LEAD Technologies, Inc.

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