ByteScout Premium Suite – C# – Add watermarks to pdf with pdf sdk

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ByteScout Premium Suite – C# – Add watermarks to pdf with pdf sdk

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ByteScout-Premium-Suite-C-sharp-Add-watermarks-to-pdf-with-pdf-sdk.pdf

How to add watermarks to pdf with pdf sdk in C# with ByteScout Premium Suite

If you want to learn more then this tutorial will show how to add watermarks to pdf with pdf sdk in C#

These sample source codes on this page below are displaying how to add watermarks to pdf with pdf sdk in C#. What is ByteScout Premium Suite? It is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can help you to add watermarks to pdf with pdf sdk in your C# application.

Want to quickly learn? This fast application programming interfaces of ByteScout Premium Suite for C# plus the guidelines and the code below will help you quickly learn how to add watermarks to pdf with pdf sdk. This C# sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! Check C# sample code samples to see if they respond to your needs and requirements for the project.

You can download free trial version of ByteScout Premium Suite from our website with this and other source code samples for C#.

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Program.cs

      using System.Diagnostics;
using Bytescout.PDF;

namespace Watermarks
{
    /// <summary>
    /// This example demonstrates how add text watermark to document page.
    /// </summary>
    class Program
    {
        static void Main()
        {
            // Create new document
            Document pdfDocument = new Document();
            pdfDocument.RegistrationName = "demo";
            pdfDocument.RegistrationKey = "demo";
            // Add pages
            pdfDocument.Pages.Add(new Page(PaperFormat.A4));
            pdfDocument.Pages.Add(new Page(PaperFormat.A4));
            pdfDocument.Pages.Add(new Page(PaperFormat.A4));

            // Add tiling watermark
            TextWatermark watermark1 = new TextWatermark("Tiling Watermark");
            watermark1.WatermarkLocation = TextWatermarkLocation.Tiled;
            watermark1.Angle = 30;
            SolidBrush brush1 = new SolidBrush(new ColorRGB(0, 0, 255));
            brush1.Opacity = 50; // make the brush semitransparent
            watermark1.Brush = brush1;
            pdfDocument.Watermarks.Add(watermark1);

            // Add autosized watermark to every page of the document
            TextWatermark watermark2 = new TextWatermark("Diagonal Watermark");
            watermark2.WatermarkLocation = TextWatermarkLocation.DiagonalFromBottomLeftToTopRight;
            watermark2.Font = new Font("Times New Roman", 16);
            SolidBrush brush2 = new SolidBrush(new ColorRGB(255, 0, 0));
            brush2.Opacity = 50; // make the brush semitransparent
            watermark2.Brush = brush2;
            watermark2.Pen = new SolidPen(new ColorRGB(255, 0, 0)); // outline pen is optional
            pdfDocument.Watermarks.Add(watermark2);

            // Add watermark of custom size and location to the first page only
            TextWatermark watermark3 = new TextWatermark("Simple Watermark");
            watermark3.Font = new Font(StandardFonts.HelveticaBold, 24);
            watermark3.Brush = new SolidBrush(new ColorRGB(0, 128, 0));
            watermark3.Left = 350;
            watermark3.Top = 800;
            pdfDocument.Pages[0].Watermarks.Add(watermark3);
            
            // Save document to file
            pdfDocument.Save("result.pdf");

            // Cleanup 
            pdfDocument.Dispose();

            // Open result document in default associated application (for demo purpose)
            ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
            processStartInfo.UseShellExecute = true;
            Process.Start(processStartInfo);
        }
    }
}