void update()
{
ExecuteStep.Execute();
pictureBox1.Image = MainItems.MainPolygon;
pictureBox1.Update();
MainItems._step++;
label1.Text = MainItems._step.ToString();
}
private void button3_Click(object sender, EventArgs e)
{
ExecuteStep.Execute();
pictureBox1.Image = MainItems.MainPolygon;
MainItems._step++;
}
