1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Diagnostics;
 6 using System.Linq;
 7 using System.ServiceProcess;
 8 using System.Text;
 9 using System.Threading.Tasks;
10 using System.IO;
11 
12 namespace MyFirstWindowsService
13 {
14     partial class MyWindowsService : ServiceBase
15     {
16         public MyWindowsService()
17         {
18             InitializeComponent();
19         }
20 
21         protected override void OnStart(string[] args)
22         {
23             // TODO: Add code here to start your service.
24             FileStream fileStream = new FileStream(@"D:\MyWindowsService.txt", FileMode.OpenOrCreate, FileAccess.Write);
25 
26             StreamWriter streamWriter = new StreamWriter(fileStream);
27 
28             streamWriter.BaseStream.Seek(0, SeekOrigin.End);
29 
30             streamWriter.WriteLine("My service started" + DateTime.Now.ToString() + "\n");
31 
32             streamWriter.Flush();
33 
34             streamWriter.Close();
35 
36             fileStream.Close();
37         }
38 
39         protected override void OnStop()
40         {
41             // TODO: Add code here to perform any tear-down necessary to stop your service.
42             FileStream fileStream = new FileStream(@"D:\MyWindowsService.txt", FileMode.OpenOrCreate, FileAccess.Write);
43 
44             StreamWriter streamWriter = new StreamWriter(fileStream);
45 
46             streamWriter.BaseStream.Seek(0, SeekOrigin.End);
47 
48             streamWriter.WriteLine("My service stopped " + DateTime.Now.ToString() + "\n");
49 
50             streamWriter.Flush();
51 
52             streamWriter.Close();
53 
54             fileStream.Close();
55         }
56     }
57 }

1 %SystemRoot%\Microsoft.NET\Framework\v4.0.30319\installutil.exe C:\Users\gaoja1\Desktop\MyWindowsService\MyFirstWindowsService\bin\Debug\MyFirstWindowsService.exe
2 Net Start ServiceTest
3 sc config ServiceTest start= auto

%SystemRoot%\Microsoft.NET\Framework\v4.0.30319\installutil.exe /u C:\Users\gaoja1\Desktop\MyWindowsService\MyFirstWindowsService\bin\Debug\MyFirstWindowsService.exe