Cairo.PdfSurface.SetSize C# (CSharp) Метод

        public void SetSize(double width, double height)
        {
            CheckDisposed ();
            NativeMethods.cairo_pdf_surface_set_size (Handle, width, height);
        }

    public static void Write(string fileName)
    {
        Diagram diagram = Program.Load(fileName);
        string pdfName = System.IO.Path.ChangeExtension(fileName, "pdf");

        if(diagram != null)
        {
            try
            {
                using(PdfSurface pdfs = new PdfSurface(pdfName, 595, 842))
                {
                    using(Context cr = new Context(pdfs))
                    {
                        DiagramRenderer dr = new DiagramRenderer(cr, 0, 0, diagram);

                        cr.LineWidth = 1.0;
                        cr.Color = new Color(0.0, 0.0, 0.0);
                        dr.Render();
                        pdfs.SetSize(dr.width, dr.height);
                        dr.Draw();

                        cr.ShowPage();
                    }
                }

                Console.WriteLine("Wrote {0}", pdfName);
            }
            catch
            {
                Console.WriteLine("Error writing {0}", pdfName);
            }
        }
    }