C#

@Override
    public void paint(Graphics g) {
        if (shadow == null) {
            BufferedImage buffer = new BufferedImage(getWidth(),
                                                     getHeight(),
                                                     BufferedImage.TYPE_INT_ARGB);
            Graphics2D g2 = buffer.createGraphics();
            super.paint(g2);
            shadow = factory.createShadow(buffer);
            g2.dispose();
            g.drawImage(shadow, distance_x, distance_y, null);
            g.drawImage(buffer, 0, 0, null);
        } else if (isVisible()) {
            g.drawImage(shadow, distance_x, distance_y, null);
            super.paint(g);
        }
    }

protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
      {
          Image buffer = new Bitmap(Width, Height);
          Graphics g2 = Graphics.FromImage(buffer); // Here I want to take a "snapshot" of the panel it self or the components added to the panel but cant quite see where I shall steal the "image" I know atm this is "white"
          g2.FillRectangle(new SolidBrush(Color.Black), new Rectangle(5, 5, Width, Height));
          e.Graphics.DrawImage(buffer, 0, 0);
      }