Customizing PDF Viewer Settings with C# and .NET

With the PDF Viewer component, you can not only view PDF documents, but also control printing, copying, editing, and changing PDF window options.

When using PDF .Net, you can get and set PDF files viewer preferences in your VB.NET or C# application.

The following example shows how to set PDF .Net.ViewerPreferences of an existing PDF document.

Complete code

using System;
using System.IO;
using SautinSoft;
using SautinSoft.Pdf;
using SautinSoft.Pdf.Content;

namespace Sample
{
    class Sample
    {
        /// <summary>
        /// Get and set PDF viewer preferences.
        /// </summary>
        /// <remarks>
        /// Details: https://sautinsoft.com/products/pdf/help/net/developer-guide/viewer-preferences.php
        /// </remarks>
        static void Main(string[] args)
        {
            // Before starting this example, please get a free 30-day trial key:
            // https://sautinsoft.com/start-for-free/

            // Apply the key here:
            // PdfDocument.SetLicense("...");

            string pdfFile = Path.GetFullPath(@"..\..\..\simple text.pdf");

            using (var document = PdfDocument.Load(pdfFile))
            {
                // Get viewer preferences specifying the way the document should be displayed on the screen.
                var viewerPreferences = document.ViewerPreferences;

                // Modify viewer preferences.
                viewerPreferences.CenterWindow = false;
                viewerPreferences.FitWindow = true;
                viewerPreferences.HideMenubar = true;
                viewerPreferences.HideToolbar = true;
                viewerPreferences.NonFullScreenPageMode = PdfPageMode.FullScreen;
                viewerPreferences.ViewArea = PdfPageBoundaryType.MediaBox;

                document.Save("Viewer Preferences.pdf");
            }

            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo("Viewer Preferences.pdf") { UseShellExecute = true });
        }
    }
}

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We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.