iTextSharp.text.pdf.PdfContentByte.DrawTextField C# (CSharp) Метод

        public void DrawTextField(float llx, float lly, float urx, float ury)
        {
            if (llx > urx) { float x = llx; llx = urx; urx = x; }
            if (lly > ury) { float y = lly; lly = ury; ury = y; }
            SaveState();
            // silver rectangle not filled
            SetColorStroke(new BaseColor(0xC0, 0xC0, 0xC0));
            SetLineWidth(1);
            SetLineCap(0);
            Rectangle(llx, lly, urx - llx, ury - lly);
            Stroke();
            // white rectangle filled
            SetLineWidth(1);
            SetLineCap(0);
            SetColorFill(new BaseColor(0xFF, 0xFF, 0xFF));
            Rectangle(llx + 0.5f, lly + 0.5f, urx - llx - 1f, ury -lly - 1f);
            Fill();
            // silver lines
            SetColorStroke(new BaseColor(0xC0, 0xC0, 0xC0));
            SetLineWidth(1);
            SetLineCap(0);
            MoveTo(llx + 1f, lly + 1.5f);
            LineTo(urx - 1.5f, lly + 1.5f);
            LineTo(urx - 1.5f, ury - 1f);
            Stroke();
            // gray lines
            SetColorStroke(new BaseColor(0xA0, 0xA0, 0xA0));
            SetLineWidth(1);
            SetLineCap(0);
            MoveTo(llx + 1f, lly + 1);
            LineTo(llx + 1f, ury - 1f);
            LineTo(urx - 1f, ury - 1f);
            Stroke();
            // black lines
            SetColorStroke(new BaseColor(0x00, 0x00, 0x00));
            SetLineWidth(1);
            SetLineCap(0);
            MoveTo(llx + 2f, lly + 2f);
            LineTo(llx + 2f, ury - 2f);
            LineTo(urx - 2f, ury - 2f);
            Stroke();
            RestoreState();
        }