iTextSharp.text.pdf.PdfSignatureAppearance.GetLayer C# (CSharp) Метод

        public PdfTemplate GetLayer(int layer)
        {
            if (layer < 0 || layer >= app.Length)
                return null;
            PdfTemplate t = app[layer];
            if (t == null) {
                t = app[layer] = new PdfTemplate(writer);
                t.BoundingBox = rect;
                writer.AddDirectTemplateSimple(t, new PdfName("n" + layer));
            }
            return t;
        }