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The PDF SDK for .NET product has been acquired by Sybrex company in January, 2011 and not available on our web-site anymore.
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How to set password protection and security settings for new PDF document generated with Bytescout.PDF library for .NET
Applying security settings and password protection to new PDF documents generated with Bytescout.PDF library
This example demonstrates how to add password protection and set permissions for new PDF document produced using Bytescout.PDF library
Download example source code: bytescoutpdf_add_security_settings_for_new_pdf.zip (10 KB)
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using Bytescout.PDF;
namespace HelloWorld
{
class Program
{
static void Main(string[] args)
{
// Create main PDF Doc Engine
PDFDocEngine engine = new PDFDocEngine("", "");
// Add new document
Document document = engine.AddDocument();
// Append new page to the document
Page page = document.AddPage(PageSizeType.A4, PageOrientationType.LandScape);
// Create new drawing
Drawing drawing = page.AddDrawing();
// Add standard font
uint font = document.AddFontStandard(StandardFontType.Courier, FontEncodingType.WinAnsi);
// Set Active Font
drawing.SetActiveFont(font, 50, false, false);
// Draw Text
drawing.PlaceText(100, 100, 0, "Hello World - password 123");
// Closing drawing on the page
drawing.Close();
// add protection
document.AddProtection(
DocumentPermissionType.AssembleDocument |
DocumentPermissionType.CopyInformation |
DocumentPermissionType.ExtractTextAndImages |
DocumentPermissionType.FillAcroForm |
DocumentPermissionType.ModifyAnnotation |
DocumentPermissionType.ModifyContent |
DocumentPermissionType.Print | DocumentPermissionType.PrintHiResolution,
SecurityKeyLength._128Bit, "123", "123");
// Save document
document.Save("HelloWorldWithSecurity.pdf");
}
}
}
Download example source code: bytescoutpdf_add_security_settings_for_new_pdf.zip (10 KB)
Filed in:
PDF SDK for .NET
Tutorials:


