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

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

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

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

This code in C# shows how to add watermarks to pdf with pdf sdk with this how to tutorial

We made thousands of pre-made source code pieces for easy implementation in your own programming projects. ByteScout PDF Suite is the bundle that provides six different SDK libraries to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript. It can be applied to add watermarks to pdf with pdf sdk using C#.

Want to save time? You will save a lot of time on writing and testing code as you may just take the C# code from ByteScout PDF Suite for add watermarks to pdf with pdf sdk below and use it in your application. 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! Enjoy writing a code with ready-to-use sample C# codes.

If you want to try other source code samples then the free trial version of ByteScout PDF Suite is available for download from our website. Just try 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);
        }
    }
}