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

        public void DrawButton(PdfFormField button, string caption, BaseFont font, float fontSize, float llx, float lly, float urx, float ury)
        {
            PdfAppearance pa = PdfAppearance.CreateAppearance(writer, urx - llx, ury - lly);
            pa.DrawButton(0f, 0f, urx - llx, ury - lly, caption, font, fontSize);
            button.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, pa);
        }