1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.Linq;
7 using System.Text;
8 using System.Threading;
9 using System.Threading.Tasks;
10 using System.Windows.Forms;
11
12 namespace yaojiangji
13 {
14 public partial class Form1 : Form
15 {
16 private List<Label> lbList = new List<Label>();
17 private bool isRunning = false;
18 public Form1()
19 {
20 InitializeComponent();
21 }
22
23 private void Form1_Load(object sender, EventArgs e)
24 {
25 for (int i = 0; i <6; i++)
26 {
27 Label lb = new Label();
28 lb.Text = "0";
29 lb.AutoSize = true;
30 lb.Location = new Point(60*i+60,100);
31 this.Controls.Add(lb);
32 lbList.Add(lb);
33
34 }
35
36 }
37
38 private void btnStartOrStop_Click(object sender, EventArgs e)
39 {
40 if (isRunning == false)
41 {
42 isRunning = true;
43 btnStartOrStop.Text = "停止";
44 Thread thread = new Thread(() =>
45 {
46 Random r = new Random();
47 while (isRunning)
48 {
49 foreach (var item in lbList)
50 {
51 string str = r.Next(0, 10).ToString();
52 if (item.InvokeRequired)
53 {
54 item.Invoke(new Action<string>(s => { item.Text = s; }), str);
55 }
56 else
57 {
58 item.Text = str;
59 }
60
61 }
62 Thread.Sleep(50);
63
64 }
65
66 });
67 thread.IsBackground = true;
68 thread.Start();
69 }
70 else
71 {
72 isRunning = false;
73 btnStartOrStop.Text = "开始";
74
75 }
76 }
77 }
78 }
