用C++Builder写的一个关闭机器的函数！

ilikenba

<>bool  closecomputer(int kind)
{
    HANDLE hToken;
/ r2 t+ w. e; F/ k; Z6 k' n    TOKEN_PRIVILEGES tkp; </P>
2 ~% N: l- T: G- p* _( f% y<>    // Get a token for this process.
6 b+ N4 B; N$ y2 |4 \    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &amp;hToken))
    {
$ P: N9 l( f) G8 {* L+ ?      return false;
    }</P>
4 g9 ~# ?3 J& k) h3 t3 D6 ^<>    // Get the LUID for the shutdown privilege.
/ R/ ^& B- ~4 X$ c/ a# J9 O$ M  @    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &amp;tkp.Privileges[0].Luid); </P>
3 \/ _; y8 c2 i2 a" Y' M& j<>    tkp.PrivilegeCount = 1;  // one privilege to set
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;</P>
<>    // Get the shutdown privilege for this process.
6 r) M2 {) T+ t  S* |7 s9 H    AdjustTokenPrivileges(hToken, FALSE, &amp;tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);</P>
<>    if (GetLastError() != ERROR_SUCCESS)
    {
      return false;
8 l' {1 |' ?6 L* _, [, g$ @2 }  @. [    }
    switch(kind)
    {case 1: ExitWindowsEx(EWX_FORCE|EWX_REBOOT,0); break; //重启
( t& o/ D7 H/ f6 X     case 2: ExitWindowsEx(EWX_FORCE|EWX_SHUTDOWN|EWX_POWEROFF,0); break; //关机
     case 3: ExitWindowsEx(EWX_FORCE|EWX_LOGOFF,0); break; //注销
" o/ d: b  }% v     case 4: SetSystemPowerState(false, true); break; //休眠
     case 5: SetSystemPowerState(true, true); break; //待机
     default:  break;
    }
    return true;</P>
<>}</P>