iTextSharp.text.pdf.PdfDictionary.Get C# (CSharp) Method

        public PdfObject Get(PdfName key)
        {
            PdfObject obj;
            if (hashMap.TryGetValue(key, out obj))
                return obj;
            else
                return null;
        }

 private ReturnType CopyPageMarks(PdfDictionary parentTree, PdfNumber arrayNumber, int newArrayNumber) {
     PdfArray pages = (PdfArray)GetDirectObject(parentTree.Get(PdfName.NUMS));
     if (pages == null) {
         PdfArray kids = (PdfArray)GetDirectObject(parentTree.Get(PdfName.KIDS));
         if (kids == null)
             return ReturnType.NOTFOUND;
         int cur = kids.Size/2;
         int begin = 0;
         while (true) {
             PdfDictionary kidTree = (PdfDictionary)GetDirectObject(kids[cur + begin]);
             switch (CopyPageMarks(kidTree,arrayNumber,newArrayNumber)) {
                 case ReturnType.FOUND:
                     return ReturnType.FOUND;
                 case ReturnType.ABOVE:
                     begin += cur;
                     cur /= 2;
                     if (cur == 0)
                         cur = 1;
                     if (cur + begin == kids.Size)
                         return ReturnType.ABOVE;
                     break;
                 case ReturnType.BELOW:
                     if (cur + begin == 0)
                         return ReturnType.BELOW;
                     if (cur == 0)
                         return ReturnType.NOTFOUND;
                     cur /= 2;
                     break;
                 default:
                     return ReturnType.NOTFOUND;
             }
         }
     } else {
         if (pages.Size == 0)
             return ReturnType.NOTFOUND;
         return FindAndCopyMarks(pages, arrayNumber.IntValue, newArrayNumber);
     }
 }