iTextSharp.text.pdf.PdfCopyFieldsImp.BranchForm C# (CSharp) Метод

        protected PdfArray BranchForm(Dictionary<string,object> level, PdfIndirectReference parent, String fname)
        {
            PdfArray arr = new PdfArray();
            foreach (KeyValuePair<string,object> entry in level) {
                String name = entry.Key;
                Object obj = entry.Value;
                PdfIndirectReference ind = PdfIndirectReference;
                PdfDictionary dic = new PdfDictionary();
                if (parent != null)
                    dic.Put(PdfName.PARENT, parent);
                dic.Put(PdfName.T, new PdfString(name, PdfObject.TEXT_UNICODE));
                String fname2 = fname + "." + name;
                int coidx = calculationOrder.IndexOf(fname2);
                if (coidx >= 0)
                    calculationOrderRefs[coidx] = ind;
                if (obj is Dictionary<string,object>) {
                    dic.Put(PdfName.KIDS, BranchForm((Dictionary<string,object>)obj, ind, fname2));
                    arr.Add(ind);
                    AddToBody(dic, ind);
                }
                else {
                    List<object> list = (List<object>)obj;
                    dic.MergeDifferent((PdfDictionary)list[0]);
                    if (list.Count == 3) {
                        dic.MergeDifferent((PdfDictionary)list[2]);
                        int page = (int)list[1];
                        PdfDictionary pageDic = pageDics[page - 1];
                        PdfArray annots = pageDic.GetAsArray(PdfName.ANNOTS);
                        if (annots == null) {
                            annots = new PdfArray();
                            pageDic.Put(PdfName.ANNOTS, annots);
                        }
                        PdfNumber nn = (PdfNumber)dic.Get(iTextTag);
                        dic.Remove(iTextTag);
                        AdjustTabOrder(annots, ind, nn);
                    }
                    else {
                        PdfArray kids = new PdfArray();
                        for (int k = 1; k < list.Count; k += 2) {
                            int page = (int)list[k];
                            PdfDictionary pageDic = pageDics[page - 1];
                            PdfArray annots = pageDic.GetAsArray(PdfName.ANNOTS);
                            if (annots == null) {
                                annots = new PdfArray();
                                pageDic.Put(PdfName.ANNOTS, annots);
                            }
                            PdfDictionary widget = new PdfDictionary();
                            widget.Merge((PdfDictionary)list[k + 1]);
                            widget.Put(PdfName.PARENT, ind);
                            PdfNumber nn = (PdfNumber)widget.Get(iTextTag);
                            widget.Remove(iTextTag);
                            PdfIndirectReference wref = AddToBody(widget).IndirectReference;
                            AdjustTabOrder(annots, wref, nn);
                            kids.Add(wref);
                            Propagate(widget, null, false);
                        }
                        dic.Put(PdfName.KIDS, kids);
                    }
                    arr.Add(ind);
                    AddToBody(dic, ind);
                    Propagate(dic, null, false);
                }
            }
            return arr;
        }