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

        public PdfFormField AddSignature(String name, float llx, float lly, float urx, float ury)
        {
            PdfFormField signature = PdfFormField.CreateSignature(writer);
            SetSignatureParams(signature, name, llx, lly, urx, ury);
            DrawSignatureAppearences(signature, llx, lly, urx, ury);
            AddFormField(signature);
            return signature;
        }