这是我在面试过程中遇到的一个小测试,很可惜,当天未能圆满完成,虽然第二天经过实际测试已经OK 了,但学无止境,继续努力吧,特将此代码贴在这里,供以后学习使用;

 1 namespace mytest
 2 {
 3     public partial class Form1 : Form
 4     {
 5         public Form1()
 6         {
 7             InitializeComponent();
 8         }
 9 
10         private void button1_Click(object sender, EventArgs e)
11         {
12             timer1.Interval = 200;
13             timer1.Enabled = true;
14 
15         }
16 
17         public delegate void mydelegate( );
18         public mydelegate myway;
19         public mydelegate myway2;
20         private void check(object obj)
21         {
22             myway();
23             
24         }
25         private void check2(object obj)
26         {
27             myway2();
28 
29         }
30         private void add1( )
31         {
32            
33                 int i = Convert.ToInt32(label1.Text);
34                 i++;
35                 if (!this.IsHandleCreated || this.IsDisposed) return;
36                 if (InvokeRequired)
37                 {
38                     this.Invoke((MethodInvoker)delegate
39                     {
40                         
41                         label1.Text = i.ToString();
42                         
43                     });
44                 }
45                 else
46                 {
47 
48                 }
49                                              
50         }
51 
52         private void add2()
53         {
54                 
55                 int i = Convert.ToInt32(label2.Text);
56                 i++;
57                 if (!this.IsHandleCreated || this.IsDisposed) return;
58                 if (InvokeRequired)
59                 {
60                     this.Invoke((MethodInvoker)delegate
61                     {
62                         
63                         label2.Text = i.ToString();
64                    
65                         int j = Convert.ToInt32(label1.Text);
66                         j = j + i;
67                         label3.Text = j.ToString();
68 
69                     });
70                 }
71                 else
72                 {
73 
74                 }
75                
76         }
77 
78 
79 
80 
81         private void Form1_Load(object sender, EventArgs e)
82         {
83             myway += new mydelegate(add1);
84             myway2 += new mydelegate(add2);
85         }
86 
87        
88 
89         private void timer1_Tick(object sender, EventArgs e)
90         {
91 
92 
93            
94             ThreadPool.QueueUserWorkItem(new WaitCallback(check), null);//执行线程池
95             ThreadPool.QueueUserWorkItem(new WaitCallback(check2), null);//执行线程池
96         }
97     }
98 }

 

 

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posted on 2019-10-16 10:07  车人_水寿  阅读(877)  评论(0编辑  收藏  举报