Simple square point on chart with specified color and size
Inheritance: ChartRectObject
 private void button6_Click(object sender, EventArgs e)
 {
     for (int i = 0; i < 10000; i++)
     {
         var obj = new ChartPoint(chart1, RandPoint(), RandColor());
         chart1.Items.Add(obj);
     }
     chart1.Redraw();
 }
 private void button1_Click(object sender, EventArgs e)
 {
     var s = rand.Next(40);
     var obj = new ChartPoint(chart1, RandPoint(), RandColor(), new DSize(s, s));
     chart1.AddObject(obj);
 }