// // 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 ReplaceText { public int CreatePDF(Stream stream) { var doc = new GcPdfDocument(); using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "LeaseAgreementDemo.pdf")); doc.Load(fs); // Replace: // "Jane Donahue" -> "John Doe" // "(123)098-7654" -> "(007)123-4567" // "janed@example.com" -> "johnd@example.com" doc.ReplaceText(new FindTextParams("Jane Donahue", false, true), "John Doe"); doc.ReplaceText(new FindTextParams("(123)098-7654", false, true), "(007)123-4567"); doc.ReplaceText(new FindTextParams("janed@example.com", false, true), "johnd@example.com"); // "13-Dec-20 22:16:00" -> date now // "13-Dec-22 22:16:00" -> date now + 2 years var termStart = Common.Util.TimeNow(); var termEnd = Common.Util.TimeNow() + TimeSpan.FromDays(365 * 2); doc.ReplaceText(new FindTextParams("13-Dec-20 22:16:00", false, true), termStart.ToString("yyyy-MM-dd") + " " + termStart.ToString("HH:mm")); doc.ReplaceText(new FindTextParams("13-Dec-22 22:16:00", false, true), termEnd.ToString("yyyy-MM-dd") + " " + termEnd.ToString("HH:mm")); // "condominium" -> "flat" var font = GrapeCity.Documents.Text.Font.FromFile(Path.Combine("Resources", "Fonts", "NotoSans-Bold.ttf")); doc.ReplaceText(new FindTextParams("condominium", true, false), "flat", null, font); // 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; } } }