var document = new PdfDocument();
        document.Info.Title = "Created with PDFsharp";
        document.Info.Subject = "Just a simple Hello-World program.";

        var page = document.AddPage();

        var gfx = XGraphics.FromPdfPage(page);

        var width = page.Width.Point;
        var height = page.Height.Point;
        gfx.DrawLine(XPens.Red, 0, 0, width, height);
        gfx.DrawLine(XPens.Red, width, 0, 0, height);

        var r = width / 5;
        gfx.DrawEllipse(new XPen(XColors.Red, 1.5), XBrushes.White,
            new XRect(width / 2 - r, height / 2 - r, 2 * r, 2 * r));

        var font = new XFont("Times New Roman", 20, XFontStyleEx.BoldItalic);
        gfx.DrawString("Hello, PDFsharp!", font, XBrushes.Black,
            new XRect(0, 0, page.Width.Point, page.Height.Point), XStringFormats.Center);
        var filename = PdfFileUtility.GetTempPdfFullFileName("samples/HelloWorldSample");
        document.Save(filename);