iTextSharp.text.pdf.AcroFields.RemoveRefFromArray C# (CSharp) Method

        private int RemoveRefFromArray(PdfArray array, PdfObject refo) {
            if (refo == null || !refo.IsIndirect())
                return array.Size;
            PdfIndirectReference refi = (PdfIndirectReference)refo;
            for (int j = 0; j < array.Size; ++j) {
                PdfObject obj = array[j];
                if (!obj.IsIndirect())
                    continue;
                if (((PdfIndirectReference)obj).Number == refi.Number)
                    array.Remove(j--);
            }
            return array.Size;
        }