コードで

            pathMesh[0] = new Path();
            PathGeometry pg = new PathGeometry();
            PathFigure pf;
            pf = new PathFigure();
            pf.StartPoint = new Point(x0B1[0], 0);
            pf.Segments.Add(new LineSegment(new Point(x0B1[0],y0B+10),true));
            pg.Figures.Add(pf);
            for (int i = 10; i <= 90; i+=10)
            {
                pf = new PathFigure();
                pf.StartPoint = new Point(x0B1[0]+wxB[0]*i, y0B);
                pf.Segments.Add(new LineSegment(new Point(x0B1[0]+wxB[0]*i, y0B + 10), true));
                pg.Figures.Add(pf);
            }
            pathMesh[0].Data = pg;
            pathMesh[0].Stroke = Brushes.Gray;
            canvasB.Children.Add(pathMesh[0]);

            // Create a path to draw a geometry with.
            Path myPath = new Path();
            myPath.Stroke = Brushes.Black;
            myPath.StrokeThickness = 1;

            // Create a StreamGeometry to use to specify myPath.
            StreamGeometry geometry = new StreamGeometry();
            geometry.FillRule = FillRule.EvenOdd;

            // Open a StreamGeometryContext that can be used to describe this StreamGeometry 
            // object's contents.
            using (StreamGeometryContext ctx = geometry.Open())
            {
                
                // Begin the triangle at the point specified. Notice that the shape is set to 
                // be closed so only two lines need to be specified below to make the triangle.
                ctx.BeginFigure(new Point(10, 100), true /* is filled */, true /* is closed */);

                // Draw a line to the next specified point.
                ctx.LineTo(new Point(100, 100), true /* is stroked */, false /* is smooth join */);

                // Draw another line to the next specified point.
                ctx.LineTo(new Point(100, 50), true /* is stroked */, false /* is smooth join */);
            }

            // Freeze the geometry (make it unmodifiable)
            // for additional performance benefits.
            geometry.Freeze();

            // Specify the shape (triangle) of the Path using the StreamGeometry.
            myPath.Data = geometry;

            // Add path shape to the UI.
            StackPanel mainPanel = new StackPanel();
            mainPanel.Children.Add(myPath);
            this.Content = mainPanel;