1 #include <powrprof.h>
2 #pragma comment(lib,"PowrProf.lib")
3
4
5 // 该函数没有InitiateSystemShutdown强大,主要是只能关本机
6 // ExitWindowsEx( EWX_FORCE | EWX_POWEROFF, 0 );
7 // 此函数为休眠, 但已不推荐
8 // SetSystemPowerState(FALSE,TRUE);
9 BOOL PowerManage( int nOpType, UINT nSecs )
10 {
11 HANDLE hToken;
12 TOKEN_PRIVILEGES tkp;
13
14 memset( &tkp, 0, sizeof( TOKEN_PRIVILEGES ) );
15
16 // 获得进程访问令牌的句柄
17 if ( !OpenProcessToken( GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken ) )
18 {
19 ::MessageBox( NULL, TEXT( "无法获得访问句柄" ), TEXT( "错误" ), MB_OK );
20 return FALSE;
21 }
22
23 // 查看系统权限的特权值
24 if ( !LookupPrivilegeValue( NULL, SE_SHUTDOWN_NAME, &tkp.Privileges[0].Luid ) )
25 {
26 ::MessageBox( NULL, TEXT( "无法获得特权值" ), TEXT( "错误" ), MB_OK );
27 return FALSE;
28 }
29
30 // 使能该特权
31 tkp.PrivilegeCount = 1;
32 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
33
34 if ( !AdjustTokenPrivileges( hToken, FALSE, &tkp, 0, ( PTOKEN_PRIVILEGES )NULL, 0 ) )
35 {
36 ::MessageBox( NULL, TEXT( "无法使能特权" ), TEXT( "错误" ), MB_OK );
37 return FALSE;
38 }
39
40
41 if ( nOpType == 0 && \
42 !InitiateSystemShutdown( NULL, TEXT( "即将关机!!" ), nSecs, TRUE, FALSE ) )
43 {
44 ::MessageBox( NULL, TEXT( "关机操作失败" ), TEXT( "错误" ), MB_OK );
45 goto err_exit;
46 }
47 else if ( nOpType == 1 && \
48 !InitiateSystemShutdown( NULL, TEXT( "即将重启!!" ), nSecs, TRUE, TRUE ) )
49 {
50 ::MessageBox( NULL, TEXT( "重启操作失败" ), TEXT( "错误" ), MB_OK );
51 goto err_exit;
52 }
53 else if ( nOpType == 2 && !SetSuspendState( FALSE, TRUE, FALSE ) )
54 {
55 ::MessageBox( NULL, TEXT( "待机操作失败" ), TEXT( "错误" ), MB_OK );
56 goto err_exit;
57 }
58 else if ( nOpType == 3 && !SetSuspendState( TRUE, TRUE, FALSE ) )
59 {
60 ::MessageBox( NULL, TEXT( "休眠操作失败" ), TEXT( "错误" ), MB_OK );
61 goto err_exit;
62 }
63
64 // 恢复此特权使能情况
65 tkp.Privileges[0].Attributes = 0;
66 AdjustTokenPrivileges( hToken, FALSE, &tkp, 0, ( PTOKEN_PRIVILEGES )NULL, 0 );
67 return TRUE;
68
69 err_exit:
70
71 tkp.Privileges[0].Attributes = 0;
72 AdjustTokenPrivileges( hToken, FALSE, &tkp, 0, ( PTOKEN_PRIVILEGES )NULL, 0 );
73 return FALSE;
74 }
