dllee

  public class TestSimplePaintObject : SimplePaintObject
  {
    public TestSimplePaintObject()
    {
    }
    // 繼承時，使用 override 以取代父類別的 MyPaint
    protected override void MyPaint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
      // Obtain the Graphics object
      Graphics g = e.Graphics;
      // Set the smoothing mode of the surface
      g.SmoothingMode = SmoothingMode.AntiAlias;
      // Paint it
      Rectangle r = this.ClientRectangle;
      r.Height--;
      r.Width--;
      g.DrawEllipse(Pens.Red, r); // 改成畫紅色橢圓測試繼承
    }
  }