iTextSharp.text.pdf.PdfStamperImp.ReplacePage C# (CSharp) Метод

        internal void ReplacePage(PdfReader r, int pageImported, int pageReplaced)
        {
            PdfDictionary pageN = reader.GetPageN(pageReplaced);
            if (pagesToContent.ContainsKey(pageN))
                throw new InvalidOperationException(MessageLocalization.GetComposedMessage("this.page.cannot.be.replaced.new.content.was.already.added"));
            PdfImportedPage p = GetImportedPage(r, pageImported);
            PdfDictionary dic2 = reader.GetPageNRelease(pageReplaced);
            dic2.Remove(PdfName.RESOURCES);
            dic2.Remove(PdfName.CONTENTS);
            MoveRectangle(dic2, r, pageImported, PdfName.MEDIABOX, "media");
            MoveRectangle(dic2, r, pageImported, PdfName.CROPBOX, "crop");
            MoveRectangle(dic2, r, pageImported, PdfName.TRIMBOX, "trim");
            MoveRectangle(dic2, r, pageImported, PdfName.ARTBOX, "art");
            MoveRectangle(dic2, r, pageImported, PdfName.BLEEDBOX, "bleed");
            dic2.Put(PdfName.ROTATE, new PdfNumber(r.GetPageRotation(pageImported)));
            PdfContentByte cb = GetOverContent(pageReplaced);
            cb.AddTemplate(p, 0, 0);
            PageStamp ps = pagesToContent[pageN];
            ps.replacePoint = ps.over.InternalBuffer.Size;
        }