c++写修改Windows服务类型的代码

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1. VOID DoSvcStartType() 
2. { 
3. SC_HANDLE schSCManager; 
4. SC_HANDLE schService; 
5.  
6. // Get a handle to the SCM database.  
7.  
8. schSCManager = OpenSCManager(  
9.   NULL,                    // local computer 
10.   NULL,                    // ServicesActive database 
11.   SC_MANAGER_ALL_ACCESS);  // full access rights 
12.  
13. if (NULL == schSCManager)  
14. { 
15.   printf("OpenSCManager failed (%d)/n", GetLastError()); 
16.   return; 
17. } 
18.  
19. // Get a handle to the service. 
20.  
21. schService = OpenService(  
22.   schSCManager,            // SCM database  
23.   szSvcName,               // name of service 
24.   SERVICE_CHANGE_CONFIG);  // need change config access 
25.  
26. if (schService == NULL) 
27. {  
28.   printf("OpenService failed (%d)/n", GetLastError());  
29.   CloseServiceHandle(schSCManager); 
30.   return; 
31. }     
32.  
33. // Change the service start type. 
34. SC_LOCK sclLock;  
35. sclLock = LockServiceDatabase(schService);  
36.  
37.   
38. if (! ChangeServiceConfig(  
39.   schService,            // handle of service 
40.   SERVICE_NO_CHANGE,     // service type: no change 
41.   //SERVICE_CHANGE_CONFIG, 
42.   SERVICE_DEMAND_START,  // service start type  
43.   SERVICE_NO_CHANGE,     // error control: no change 
44.   NULL,                  // binary path: no change 
45.   NULL,                  // load order group: no change 
46.   NULL,                  // tag ID: no change  
47.   NULL,                  // dependencies: no change 
48.   NULL,                  // account name: no change 
49.   L"ABC",                 // password: no change  
50.   NULL) )                // display name: no change 
51. { 
52.   //SERVICE_CHANGE_CONFIG 
53.   printf("ChangeServiceConfig failed (%d)/n", GetLastError());  
54. } 
55. else printf("Service enabled successfully./n");  
56.  
57. //将启动类型更改为禁用 
58. if (! ChangeServiceConfig(  
59.   schService,            // handle of service 
60.   SERVICE_NO_CHANGE,     // service type: no change 
61.   SERVICE_DISABLED, 
62.   //SERVICE_DEMAND_START, // service start type  
63.   SERVICE_NO_CHANGE,     // error control: no change 
64.   NULL,                  // binary path: no change 
65.   NULL,                  // load order group: no change 
66.   NULL,                  // tag ID: no change  
67.   NULL,                  // dependencies: no change 
68.   NULL,                  // account name: no change 
69.   NULL,                  // password: no change 
70.   NULL) )                // display name: no change 
71. { 
72.   //SERVICE_CHANGE_CONFIG 
73.   printf("2:ChangeServiceConfig failed (%d)/n", GetLastError());  
74. } 
75. else printf("2:Service enabled successfully./n");  
76. UnlockServiceDatabase(sclLock);  
77.  
78. CloseServiceHandle(schService);  
79. CloseServiceHandle(schSCManager); 
80. }