iTextSharp.text.pdf.PdfStructTreeController.AddKid C# (CSharp) Метод

        protected void AddKid(PdfDictionary parent, PdfObject kid)
        {
            PdfObject kidObj = parent.Get(PdfName.K);
            PdfArray kids;
            if (kidObj is PdfArray){
            kids = (PdfArray)kidObj;
            } else {
            kids = new PdfArray();
            if (kidObj != null)
                kids.Add(kidObj);
            }
            kids.Add(kid);
            parent.Put(PdfName.K, kids);
        }