用C++Builder写的一个关闭机器的函数！

ilikenba

<>bool  closecomputer(int kind)
, T4 m4 U  k- U3 O{
    HANDLE hToken;
1 G4 H* C: M# L9 }9 f/ ?7 I* d    TOKEN_PRIVILEGES tkp; </P>
3 E! [9 i, q% W  M<>    // Get a token for this process.
  i! G2 m- @) ~    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &amp;hToken))
    {
      return false;
    }</P>
9 X* J. `+ t8 G<>    // Get the LUID for the shutdown privilege.
) k$ M) w0 c, Y0 P! ?  p# Y0 j    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &amp;tkp.Privileges[0].Luid); </P>
% t" @9 t. v$ L4 G+ l, C' _<>    tkp.PrivilegeCount = 1;  // one privilege to set
4 Y3 W- N  C" t6 q, N    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;</P>
<>    // Get the shutdown privilege for this process.
    AdjustTokenPrivileges(hToken, FALSE, &amp;tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);</P>
9 \- t$ o8 k: R! G0 }+ T1 i; b! w<>    if (GetLastError() != ERROR_SUCCESS)
    {
      return false;
! D0 J% n) f5 D& l% W* {$ `    }
    switch(kind)
    {case 1: ExitWindowsEx(EWX_FORCE|EWX_REBOOT,0); break; //重启
     case 2: ExitWindowsEx(EWX_FORCE|EWX_SHUTDOWN|EWX_POWEROFF,0); break; //关机
+ Q4 d- f2 B3 r/ U% F     case 3: ExitWindowsEx(EWX_FORCE|EWX_LOGOFF,0); break; //注销
, ?2 N- S6 D2 ^& w: N, u4 R' ~     case 4: SetSystemPowerState(false, true); break; //休眠
     case 5: SetSystemPowerState(true, true); break; //待机
     default:  break;
    }
( f5 v3 r; j6 O! S4 c    return true;</P>
<>}</P>