iTextSharp.text.pdf.AcroFields.SetListOption C# (CSharp) Метод

        public bool SetListOption(String fieldName, String[] exportValues, String[] displayValues) {
            if (exportValues == null && displayValues == null)
                return false;
            if (exportValues != null && displayValues != null && exportValues.Length != displayValues.Length)
                throw new ArgumentException("The export and the display array must have the same size.");
            int ftype = GetFieldType(fieldName);
            if (ftype != FIELD_TYPE_COMBO && ftype != FIELD_TYPE_LIST)
                return false;
            Item fd = (Item)fields[fieldName];
            String[] sing = null;
            if (exportValues == null && displayValues != null)
                sing = displayValues;
            else if (exportValues != null && displayValues == null)
                sing = exportValues;
            PdfArray opt = new PdfArray();
            if (sing != null) {
                for (int k = 0; k < sing.Length; ++k)
                    opt.Add(new PdfString(sing[k], PdfObject.TEXT_UNICODE));
            }
            else {
                for (int k = 0; k < exportValues.Length; ++k) {
                    PdfArray a = new PdfArray();
                    a.Add(new PdfString(exportValues[k], PdfObject.TEXT_UNICODE));
                    a.Add(new PdfString(displayValues[k], PdfObject.TEXT_UNICODE));
                    opt.Add(a);
                }
            }
            fd.WriteToAll( PdfName.OPT, opt, Item.WRITE_VALUE | Item.WRITE_MERGED );
            return true;
        }