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   源码介绍

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Lottery
{
    public partial class Form1 : Form
    {
        int N = 100;
        int turn = 0;
        int[] a = new int[1000];
        Random random = new Random((int)DateTime.Now.Ticks);
        public Form1()
        {
            InitializeComponent();
            label1.Parent = pictureBox3;
            label1.BackColor = Color.Transparent;
            turn = 0;
            for (int i = 0; i < 1000; i  )
                a[i] = 0;
        }

        

        private void timer1_Tick(object sender, EventArgs e)
        {
          
        }

        private void pictureBox2_Click(object sender, EventArgs e)
        {
            this.timer3.Stop();
            turn  ;
            if (turn == 1)
                T1.Text=label1.Text;
            else if (turn == 2)
                T2.Text = label1.Text;
            else if (turn == 3)
                T3.Text = label1.Text;
            else if (turn == 4)
                T4.Text = label1.Text;
            else if (turn == 5)
                T5.Text = label1.Text;
            if(textBox1.Text.Length!=0)
            a[int.Parse(label1.Text)] = 1;
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            
        }

        private void timer3_Tick(object sender, EventArgs e)
        {
            
            while(true)
            {
                int x = random.Next() %N  1;
                if(a[x]==0)
                {
                    label1.Text = x.ToString();
                    break;
                }
            }
            
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {
            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
            this.BackColor = Color.Transparent;
        }

        private void label2_Click(object sender, EventArgs e)
        {

        }

        private void T3_Click(object sender, EventArgs e)
        {

        }

        private void pictureBox5_Click(object sender, EventArgs e)
        {
            textBox1.Text = "";
            T1.Text = "";
            T2.Text = "";
            T3.Text = "";
            T4.Text = "";
            T5.Text = "";
            label1.Text = "";
            turn = 0;
        }

        private void timer4_Tick(object sender, EventArgs e)
        {
            
        }

        private void pictureBox4_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
                return;
            N = int.Parse(textBox1.Text);
            for (int i = 0; i < 1000; i  )
                a[i] = 0;
        }

        private void timer4_Tick_1(object sender, EventArgs e)
        {
           
        }

        private void timer5_Tick(object sender, EventArgs e)
        {
           
        }

        

       

        private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
        {
            this.pictureBox1.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\开始3-动态.png";
        }

        private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
        {
            this.pictureBox1.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\开始3.png";
        }

        private void pictureBox1_Click_1(object sender, EventArgs e)
        {
            this.timer3.Interval = 50;
            this.timer3.Start();
        }

        private void pictureBox2_MouseDown(object sender, MouseEventArgs e)
        {
            this.pictureBox2.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\结束-动态.png";
        }

        private void pictureBox2_MouseUp(object sender, MouseEventArgs e)
        {
            this.pictureBox2.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\结束.png";
        }

        private void pictureBox4_MouseDown(object sender, MouseEventArgs e)
        {
            this.pictureBox4.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\设置-动态.png";
        }

      

        private void pictureBox4_MouseUp(object sender, MouseEventArgs e)
        {
            this.pictureBox4.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\设置.png";
        }

        private void pictureBox5_MouseDown(object sender, MouseEventArgs e)
        {
            this.pictureBox5.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\清空2-动态.png";
        }

        private void pictureBox5_MouseUp(object sender, MouseEventArgs e)
        {
            this.pictureBox5.ImageLocation = "F:\\抽奖程序\\Lottery\\Lottery\\清空2.png";
        }

     
    }
}