private void btnGenerateEmf_Click(object sender, EventArgs e)
    {
        ShapeFileFeatureLayer countryLayer = mapEngine.StaticLayers["countryLayer"] as ShapeFileFeatureLayer;

        RectangleShape frame = new RectangleShape(0, 80, 40, 0);
        Rectangle rect = ExtentHelper.ToScreenCoordinate(mapEngine.CurrentExtent, frame, map.Width, map.Height);
        Metafile metaFile = new Metafile("result.emf", Graphics.FromImage(new Bitmap(1, 1)).GetHdc(), rect, MetafileFrameUnit.Pixel);
        GraphicsGeoCanvas graphicGeoCanvas = new GraphicsGeoCanvas();
        Graphics graphic = Graphics.FromImage(metaFile);
        graphicGeoCanvas.ClippingArea = frame;
        countryLayer.Open();
        graphicGeoCanvas.BeginDrawing(graphic, map.Width, map.Height, mapEngine.CurrentExtent, GeographyUnit.DecimalDegree);
        countryLayer.Draw(graphicGeoCanvas, new System.Collections.ObjectModel.Collection<SimpleCandidate>());
        graphicGeoCanvas.EndDrawing();
        countryLayer.Close();
        metaFile.Dispose();

        MessageBox.Show(String.Format("The map has been saved as EMF to {0}\\{1}", Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "result.emf"));
    }