汉诺塔为什么客户端的窗体显示会莫名死住?cpu 100%鼠标为忙碌


namespace 汉诺塔
{
    public delegate void MessageHandler();
    public class Hanoi
    {
        public event MessageHandler CheckList;
        private bool IsStop=false;
        public Hanoi()
        { }        List<Panel> Xcol = new List<Panel>();//add自动将元素添加到末尾
        List<Panel> Ycol = new List<Panel>();
        List<Panel> Zcol = new List<Panel>();        public List<Panel> X
        {
            get
            {
                return Xcol;
            }
        }        public List<Panel> Y
        {
            get
            {
                return Ycol;
            }
        }        public List<Panel> Z
        {
            get
            {
                return Zcol;
            }
        }        private void InitXYZcol(int n)//初始化
        {
            Xcol.Clear();
            Ycol.Clear();
            Zcol.Clear();
            for (int i = 0; i<n; i++)
            {
                Panel zipanel = new Panel();
                zipanel.BorderStyle = BorderStyle.FixedSingle;
                zipanel.Height = 30;
                zipanel.Width = 60;
                Label text = new Label();
                text.Text = i.ToString();
                zipanel.Controls.Add(text);
                zipanel.Width = (zipanel.Width / n) + ((zipanel.Width / n) * i);
                text.AutoSize = true;
                text.Left = zipanel.Width / 2 - text.Width / 2;
                Xcol.Add(zipanel);            }
            
        }
        private void move(int n, List<Panel> go, List<Panel> end)//移动
        {
            end.Insert(0,go[0]);
            go.RemoveAt(0);
            Display();
        }
        void Display() //显示
        {
            CheckList();
            //System.Threading.Thread.Sleep(1000);
        }        /// <summary>
        /// 开始运行
        /// </summary>
        /// <param name="n">多少个盘子</param>
        public void Bigin(int n) 
        {
            InitXYZcol(n);
            Strat(n, Xcol, Ycol, Zcol);
        }
        /// <summary>
        /// 停止
        /// </summary>
        public void Stop()
        {
            IsStop = true;
        }       void Strat(int n,  List<Panel> x, List<Panel> y, List<Panel> z)
        {
           if (IsStop)
                return;
           if (n == 1)
           {
               move(n, x, z); System.Threading.Thread.Sleep(1000);
           }
           else
           {
               Strat(n - 1, x, z, y);
               move(n, x, z); System.Threading.Thread.Sleep(1000);
               Strat(n - 1, y, x, z);
           }
        }    }
            
    class Program
    {
        static List<Panel> Xcol, Ycol, Zcol;
        static void Main(string[] args)
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Form1 kk = new Form1();
            //Hanoi pp=new Hanoi();
            //Xcol = pp.X;
            //Ycol = pp.Y;
            //Zcol = pp.Z;
            //pp.CheckList += new MessageHandler(pp_CheckList);//事件订阅必须在类运行前
            //pp.Bigin(8);
            //Console.ReadLine();
            Application.Run(kk);
        }        static void pp_CheckList()
        {
            Console.Write("X:");
            foreach (Panel kk in Xcol)
                Console.Write("{0},", kk.Controls[0].Text);
            Console.WriteLine();
            Console.Write("Y:");
            foreach (Panel kk in Ycol)
                Console.Write("{0},", kk.Controls[0].Text);
            Console.WriteLine();
            Console.Write("Z:");
            foreach (Panel kk in Zcol)
                Console.Write("{0},", kk.Controls[0].Text);
            Console.WriteLine();
            Console.WriteLine("----------------{0}-------------------", "ll");
        }    }
}//------------------------------------------------------------------------------------------------------
namespace 汉诺塔
{
    public partial class Form1 : Form
    {
        List<Panel> x, y, z;
        Hanoi newhanoi;
        public Form1()
        {
            InitializeComponent();
        }        private void button1_Click(object sender, EventArgs e)
        {
            newhanoi = new Hanoi();
            x= newhanoi.X;
            y = newhanoi.Y;
            z = newhanoi.Z;
            newhanoi.CheckList+=new MessageHandler(newhanoi_CheckList);
            newhanoi.Bigin(8);        }        void newhanoi_CheckList()
        {            panel1.Controls.Clear();
            int xsize = x.Count - 1, ysize = y.Count - 1, zsize = z.Count - 1;
            
            for (int i = xsize; i >=0; i--)
            {
                x[i].Left = 30 - x[i].Width / 2;
                x[i].Top = (panel1.Height - x[i].Height) - (x[i].Height * ( xsize-i   ));
                panel1.Controls.Add(x[i]);
                //MessageBox.Show(panel1.Controls.Count.ToString());
            }
            for (int i = ysize; i >= 0; i--)
            {
                y[i].Left = 120-y[i].Width/2;
                y[i].Top = (panel1.Height - y[i].Height) - (y[i].Height * (ysize - i));
                panel1.Controls.Add(y[i]);
                //MessageBox.Show(panel1.Controls.Count.ToString());
            }
            for (int i = zsize; i >= 0; i--)
            {
                z[i].Left = 240 - z[i].Width / 2;
                z[i].Top = (panel1.Height - z[i].Height) - (z[i].Height * (zsize - i));
                panel1.Controls.Add(z[i]);
               
            }
            //this.Refresh();
            panel1.Refresh();        }        private void button2_Click(object sender, EventArgs e)
        {
            newhanoi.Stop();
        }
        
    }
}