// 完毕：
using System;
using System.IO;
using System.Drawing;
using GrapeCity.Documents.Pdf;
using GrapeCity.Documents.Text;

namespace DsPdfWeb.Demos
{
    // This example shows how to duplicate a page of a PDF using the PageCollection.ClonePage() method.
    public class ClonePage
    {
        public int CreatePDF(Stream stream)
        {
            var doc = new GcPdfDocument();
            using var fs = File.OpenRead(Path.Combine("Resources", "PDFs", "Wetlands.pdf"));
            doc.Load(fs);
            
            // Clone the first page of the PDF, insert it into the beginning of the document:
            doc.Pages.ClonePage(0, 0, true, true);

            // 保存 PDF：
            doc.Save(stream);
            return doc.Pages.Count;
        }
    }
}