// // This code is part of Document Solutions for PDF demos. // Copyright (c) MESCIUS inc. All rights reserved. // using System; using System.IO; using System.Drawing; using System.Text; using GrapeCity.Documents.Pdf; using GrapeCity.Documents.Text; using GrapeCity.Documents.Pdf.AcroForms; namespace DsPdfWeb.Demos { // This example shows how to find and replace all occurrences of a text string in a PDF. public class ReplaceText2 { public int CreatePDF(Stream stream) { var doc = new GcPdfDocument(); using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "gc-docs-data-sheet.pdf")); doc.Load(fs); // Replace: doc.ReplaceText(new FindTextParams(".NET Standard 2.0", false, true), ".NET 6"); // For reference, append the original PDF: Common.Util.AddNote("For reference, the following pages contain a copy of the original unmodified PDF.", doc.NewPage()); var docOrig = new GcPdfDocument(); docOrig.Load(fs); doc.MergeWithDocument(docOrig); // Done: doc.Save(stream); return doc.Pages.Count; } } }