//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Drawing;using GrapeCity.Documents.Pdf;using GrapeCity.Documents.Pdf.Annotations;
namespace DsPdfWeb.Demos{    // This example shows how to create a caret annotation used to indicate a specific position in a text.    public class AddCaretAnnotation    {        public int CreatePDF(Stream stream)        {            using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "Wetlands.pdf"));            var doc = new GcPdfDocument();            doc.Load(fs);
            foreach (var page in doc.Pages)            {                var tm = page.GetTextMap();                // insert the CaretAnnotation after "The Importance" text                tm.FindText(new FindTextParams("wetlands", false, false), (fp_) =>                {                    // Add a CaretAnnotation near the found text:                    var r = fp_.Bounds[0].ToRect();                    var ca = new CaretAnnotation                    {                        Page = page,                        Rect = new RectangleF(r.Left - 8, r.Bottom - 16, 16, 16)                    };                });            }            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}