private void frmMain_SizeChanged(object sender, EventArgs e)
{
Graphics g = this.pictureBox1.CreateGraphics();
g.Clear(Color.White);
Clock clock = new Clock();
clock.OnStart(g, pictureBox1.Width / 2, pictureBox1.Height / 2);
timer1.Tick += new EventHandler(Draw);
}
public void pictureBox1_Click(object sender, EventArgs e)
{//画表盘
Graphics g = this.pictureBox1.CreateGraphics();
g.Clear(Color.White);
Clock clock = new Clock();
clock.OnStart(g, pictureBox1.Width / 2, pictureBox1.Height / 2);
timer1.Tick += new EventHandler(Draw);
}
