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Flatten PDF Form | C#
Program.cs:
C#
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); } } }