//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using GrapeCity.Documents.Pdf;
namespace DsPdfWeb.Demos{    // This demo shows how to remove images that have a certain aspect ratio    // (square, width same as height) from a PDF using the GcPdfDocument.RemoveImages() method.    public class RemoveSquareImages    {        public int CreatePDF(Stream stream)        {            using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "SlidePages.pdf"));            var doc= new GcPdfDocument();            doc.Load(fs);            // Get the list of images in the document:                        var imageInfos = doc.GetImages();            // Remove non-square images from the list:            for (int i = imageInfos.Count - 1; i >= 0; i--)            {                if (imageInfos[i].Image.Width != imageInfos[i].Image.Height)                    imageInfos.RemoveAt(i);            }            // Remove images left in the list from the PDF:            doc.RemoveImages(imageInfos);            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}