C# WinForms多线程编程-摇奖程序

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
namespace Ex02_Lottery
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
//定义一个泛型
List<string> liNum = new List<string>();

//定义一个全局变量
Thread thread;

private void btnRoll_Click(object sender, EventArgs e)
{
//定义一个线程
thread = new Thread(new ThreadStart(Num));

//开启线程
thread.Start();

btnRoll.Enabled = false;

}
public void Num()
{
int i = 0;

liNum.Add("13965113141");
liNum.Add("18676768761");
liNum.Add("13456468141");
liNum.Add("15456564541");
liNum.Add("13965113141");
liNum.Add("13968766141");
liNum.Add("13965113141");
liNum.Add("13123113311");

//循环
while (i < liNum.Count + 1)
{
if (i >= liNum.Count) i = 0;
txtNum.Text = liNum[i].ToString();
i++;
}
}

private void Form1_Load(object sender, EventArgs e)
{
txtNum.Enabled = false;
//线程间操作无效: 从不是创建控件“ btnRoll”的线程访问它。解决方法
Form1.CheckForIllegalCrossThreadCalls = false;
}

private void btnLottery_Click(object sender, EventArgs e)
{
//挂想线程
thread.Suspend();

//恢复线程
thread.Resume();

//关闭线程
thread.Abort();

btnLottery.Enabled = false;

MessageBox.Show("号码为:" + txtNum.Text + "恭喜你中奖了", "信息提示");
}
}
}