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Flatten PDF Form - C#

PDF SDK sample in C# demonstrating ‘Flatten PDF Form’

Program.cs
using System;
using System.Diagnostics;
using Bytescout.PDF;

namespace FlattenFormExample
{
    /// <summary>
    /// This example demonstrates how to flatten a filled PDF form (make it uneditable).
    /// </summary>
    class Program
    {
        static void Main()
        {
            // Load filled PDF form
            Document pdfDocument = new Document(@"filled_form.pdf");
            pdfDocument.RegistrationName = "demo";
            pdfDocument.RegistrationKey = "demo";
            
            // Flatten the form
            pdfDocument.FlattenDocument();

            // Save modified document
            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);
        }
    }
}

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