iTextSharp.text.pdf.PdfAcroForm.DrawRadioAppearences C# (CSharp) Метод

        public void DrawRadioAppearences(PdfFormField field, string value, float llx, float lly, float urx, float ury)
        {
            PdfAppearance tpOn = PdfAppearance.CreateAppearance(writer, urx - llx, ury - lly);
            tpOn.DrawRadioField(0f, 0f, urx - llx, ury - lly, true);
            field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, value, tpOn);
            PdfAppearance tpOff = PdfAppearance.CreateAppearance(writer, urx - llx, ury - lly);
            tpOff.DrawRadioField(0f, 0f, urx - llx, ury - lly, false);
            field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpOff);
        }