{
Diese Methode funktioniert nur auf Windows NT/2000/XP
}
{
Works only on Windows NT/2000/XP systems
}
function TimedShutDown(Computer: string; Msg: string; Time: Word; Force: Boolean; Reboot: Boolean): Boolean;
var
rl: Cardinal;
hToken: Cardinal;
tkp: TOKEN_PRIVILEGES;
begin
//get user privileges to shutdown the machine, we are talking about win nt and 2k here
if not OpenProcessToken(GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY, hToken) then
ShowMessage('Cannot open process token.')
else
begin
if LookupPrivilegeValue(nil, 'SeShutdownPrivilege', tkp.Privileges[0].Luid) then
begin
tkp.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
tkp.PrivilegeCount := 1;
AdjustTokenPrivileges(hToken, False, tkp, 0, nil, rl);
if GetLastError <> ERROR_SUCCESS then
ShowMessage('Error adjusting process privileges.');
end
else
ShowMessage('Cannot find privilege value.');
end;
Result := InitiateSystemShutdown(PChar(Computer), PChar(Msg), Time, Force, Reboot)
end;
//Start shut down
procedure TForm1.Button1Click(Sender: TObject);
begin
if not TimedShutDown('\\computername', 'you have to shutdown', 30, true, true) then
ShowMessage('function failed...');
end;
//Abort shut down
procedure TForm1.Button2Click(Sender: TObject);
begin
AbortSystemShutdown('\\computername');
end;
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