iTextSharp.text.pdf.PdfFormField.CreateSignature C# (CSharp) Method

        public static PdfFormField CreateSignature(PdfWriter writer)
        {
            PdfFormField field = new PdfFormField(writer);
            field.Put(PdfName.FT, PdfName.SIG);
            return field;
        }

        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);
        }