/// <summary>
/// 在PictureBox中绘制砂轮组
/// </summary>
/// <param name="pb">图片控件</param>
public void Draw(PictureBox pb)
{
Graphics g = pb.CreateGraphics();
Point p0 = new Point(pb.Width / 3, pb.Height / 2);
Pen p = new Pen(Color.Red, 1f);
p.DashStyle = DashStyle.DashDot;
CDraw.SetCoordinate(g, p0, 1f);
CDraw.DrawAxisXY(g, p);
for (int i = 0; i < wheels.Length; i++)
{
if (wheels[i] == null)
{
break;
}
if (i > 0)
{
wheels[i].StartPos = wheels[i - 1].EndPos;
}
wheels[i].Draw(g, p0);
}
}