Configure PDF Viewer Options in 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 100-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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Option Infer On

Imports System
Imports System.IO
Imports SautinSoft
Imports SautinSoft.Pdf
Imports SautinSoft.Pdf.Content

Namespace Sample
	Friend 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>
		Shared Sub Main(ByVal args() As String)
			' Before starting this example, please get a free 100-day trial key:
			' https://sautinsoft.com/start-for-free/

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

			Dim pdfFile As String = Path.GetFullPath("..\..\..\simple text.pdf")

			Using document = PdfDocument.Load(pdfFile)
				' Get viewer preferences specifying the way the document should be displayed on the screen.
				Dim 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")
			End Using

			System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo("Viewer Preferences.pdf") With {.UseShellExecute = True})
		End Sub
	End Class
End Namespace

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