Affecto.Pdf.Toolkit.PdfSigner.GetPdfSignatureAppearance C# (CSharp) Method

        private static PdfSignatureAppearance GetPdfSignatureAppearance(SigningCertificates signingCertificates, PdfStamper stamper, PdfReader reader, PdfSignatureParameters parameters)
        {
            PdfSignatureAppearance appearance = stamper.SignatureAppearance;

            appearance.Reason = "";
            appearance.LocationCaption = "";
            appearance.Location = "";
            appearance.Layer4Text = "";
            appearance.Layer2Text = GetSignatureText(signingCertificates.X509Certificate, parameters);
            appearance.Acro6Layers = true;

            Rectangle cropBox = reader.GetCropBox(parameters.SignaturePageNumber);

            Rectangle rectangle = GetSignatureLocation(cropBox, parameters);
            appearance.SetVisibleSignature(rectangle, parameters.SignaturePageNumber, parameters.SignatureName);

            return appearance;
        }