Cairo.Context.ClosePath C# (CSharp) Method

        public void ClosePath()
        {
            CheckDisposed ();
            NativeMethods.cairo_close_path (handle);
        }

        //system top
        public void SystemTop(Cairo.Context g, Int32 width)
        {
            PointD p1, p2, p3, p4, s1, s2, s3, s4;

            p1 = new PointD(5, 5); p2 = new PointD(width, 5); s1 = new PointD(width + 2, 7); s2 = new PointD(width + 2, 28);
            p3 = new PointD(width, 30); p4 = new PointD(5, 30); s3 = new PointD(3, 28); s4 = new PointD(3, 7);

            g.Color = new Color(0.3, 0.4, 0.6, 1);
            g.MoveTo(p1); g.LineTo(p2);  g.LineTo(s1);  g.LineTo(s2); g.LineTo(p3); g.LineTo(p4); g.LineTo(s3); g.LineTo(s4); g.LineTo(p1);
            g.ClosePath(); g.LineWidth = 1; g.Stroke();

            g.MoveTo(p1); g.LineTo(p2); g.LineTo(s1); g.LineTo(s2); g.LineTo(p3); g.LineTo(p4); g.LineTo(s3); g.LineTo(s4); g.LineTo(p1);
            g.ClosePath();

            Cairo.Gradient pat = new Cairo.LinearGradient(80, 10, 80, 60);
            pat.AddColorStop(0, new Cairo.Color(0.3, 0.4, 0.6, 0.6));
            pat.AddColorStop(1, new Cairo.Color(0, 0, 0, 1));
            g.Pattern = pat;
            g.FillPreserve();

            g.SetFontSize(17);
            g.SelectFontFace("", FontSlant.Normal, FontWeight.Bold);
            g.MoveTo(new PointD(12, 23));
            g.Color = new Color(1, 1, 1, 1);
            g.ShowText("General system information");

            ((IDisposable)g.Target).Dispose();
            ((IDisposable)g).Dispose();
        }