private void Form1_Paint(object sender, PaintEventArgs e)
        {
            const int x = 50;
            const int y = 50;
            int width = 300;
            int height = 120;
            float startAngle = 0x0;
            int[] sectors = new int[] {45, 45, 45,45, 90,45,45};
            e.Graphics.SmoothingMode = SmoothingMode.HighQuality;

               foreach (int sector in sectors)
            {
               
               e.Graphics.DrawPie(new Pen(new SolidBrush(Color.Black), 1), x, y, width, height, startAngle, sector);

                startAngle += sector;
            }