private void button2_Click(object sender, EventArgs e)
{
Polygon2 triangle = new Polygon2(3);
triangle[0] = new Point(10, 10);
triangle[1] = new Point(50, 50);
triangle[2] = new Point(10, 70);
MessageBox.Show(triangle[2].ToString());
}
private void button3_Click(object sender, EventArgs e)
{
Polygon2 rect = new Polygon2(4);
rect[0] = new Point(10, 10);
rect[1] = new Point(80, 10);
rect[2] = new Point(80, 130);
rect[3] = new Point(10, 130);
rect.Draw(this.CreateGraphics(), Color.Red);
}
