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   源码介绍

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namespace CPExample
{
    using System;
    using System.ComponentModel;
    public class BallEventArgs : EventArgs
    {
        private readonly bool snoozePressed;
        private readonly int nrows = 0;

        public BallEventArgs(bool snoozePressed, int nrows)
        {
            this.snoozePressed = snoozePressed;
            this.nrows = nrows;
        }
        public bool SnoozePressed
        {
            get { return snoozePressed; }
        }
        public int NRows
        {
            get { return nrows; }
        }
    }
    public delegate void BallEventHandler(object sender, BallEventArgs e);

    public class DoubleColorBall
    {
        private int nrows = 0;
        private bool snoozePressed = false;
        private bool stop = false;

        public bool SnoozePressed
        {
            get { return snoozePressed; }
            set { snoozePressed = value; }
        }
        public bool Stop
        {
            get { return stop; }
            set { stop = value; }
        }

        public event BallEventHandler Notify;

        protected virtual void OnStart(BallEventArgs e)
        {
            BallEventHandler headler = Notify;
            if (headler != null)
                headler(this, e);
        }

        public void Start()
        {
            for (; ; )
            {
                nrows  ;
                if (stop)
                {
                    break;
                }
                else if (snoozePressed)
                {
                    System.Threading.Thread.Sleep(1000);
                    {
                        BallEventArgs e = new BallEventArgs(snoozePressed, nrows);
                        OnStart(e);
                    }
                }
                else
                {
                    System.Threading.Thread.Sleep(300);
                    BallEventArgs e = new BallEventArgs(snoozePressed, nrows);
                    OnStart(e);
                }
            }
        }
    }
    public class WakeMeUp
    {
        public void Notify(object sender, BallEventArgs e)
        {
            output();

            if (!(e.SnoozePressed))
            {
                if (e.NRows % 5 == 0)
                {
                    Console.WriteLine();
                    Console.WriteLine(" 继续显示 请按 Y");
                    Console.WriteLine(" 暂停 请按 N");
                    Console.WriteLine(" 退出 请按 Q");
                    Console.WriteLine();

                    String input = Console.ReadLine();

                    if (input.Equals("Y") || input.Equals("y")) return;
                    else if (input.Equals("N") || input.Equals("n"))
                    {
                        ((DoubleColorBall)sender).SnoozePressed = true;
                        return;
                    }
                    else
                    {
                        ((DoubleColorBall)sender).Stop = true;
                        return;
                    }
                }
            }
            else
            {
                Console.WriteLine();
                Console.WriteLine(" 继续显示一行 请按 Y");
                Console.WriteLine(" 退出 请按 Q");
                Console.WriteLine();
                String input = Console.ReadLine();
                if (input.Equals("Y") || input.Equals("y")) return;
                else
                {
                    ((DoubleColorBall)sender).Stop = true;
                    return;
                }
            }
        }
        public void output()
        {
            int p;
            int[] b = new int[7];
            Random r = new Random();
            b[0] = r.Next(1, 34);
            for (int j = 1; j < 6; )
            {
                b[j] = r.Next(1, 34);
                for (p = 0; p < j; p  )
                {
                    if (b[p] == b[j])
                    {
                        break;
                    }
                }
                if (p == j)
                {
                    j  ;
                }
            }
            int temp = 0;
            for (int i = 0; i < b.Length - 2; i  )
            {
                for (int j = i   1; j < b.Length - 1; j  )
                {
                    if (b[j] < b[i])
                    {
                        temp = b[i];
                        b[i] = b[j];
                        b[j] = temp;
                    }
                }
            }

            b[6] = r.Next(1, 17);
            for (int k = 0; k < 7; k  )
            {                
                System.Console.Write(b[k]);
                System.Console.Write((b[k].ToString().Length==2)?"   ":"    ");
            }
            System.Console.WriteLine();
        }
    }    
    public class DoubleColorBallDriver
    {
        public static void Main()
        {
            DoubleColorBall ball = new DoubleColorBall();
            WakeMeUp w = new WakeMeUp();
            ball.Notify  = new BallEventHandler(w.Notify);
            ball.Start();
            System.Console.ReadLine();
        }
    }
}