LOG OFF, SHUT DOWN, RESTART, OR REBOOT

Some programs require Windows to be restarted once it is installed on the system for the first time. If your program has a similar need, you could use the following function -- WinExit() -- to shut down Windows, restart Windows, or log off the current user from Windows. 

function SetPrivilege( sPrivilegeName : string; bEnabled : boolean ) : boolean; var TPPrev, TP : TTokenPrivileges; Token : THandle; dwRetLen : DWord; begin Result := False; OpenProcessToken( GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY, @Token ); TP.PrivilegeCount := 1; if( LookupPrivilegeValue( Nil, PChar( sPrivilegeName ), TP.Privileges[ 0 ].LUID ) )then begin if( bEnabled )then begin TP.Privileges[ 0 ].Attributes := SE_PRIVILEGE_ENABLED; end else begin TP.Privileges[ 0 ].Attributes := 0; end; dwRetLen := 0; Result := AdjustTokenPrivileges( Token, False, TP, SizeOf( TPPrev ), TPPrev, dwRetLen ); end; CloseHandle( Token ); end; // // iFlags: // // one of the following must be // specified // // EWX_LOGOFF // EWX_REBOOT // EWX_SHUTDOWN // // following attributes may be // combined with above flags // // EWX_POWEROFF // EWX_FORCE : terminate processes // function WinExit( iFlags : integer ) : boolean; begin Result := True; if( SetPrivilege( 'SeShutdownPrivilege', True ) )then begin if( not ExitWindowsEx( iFlags, 0 ) )then begin // handle errors... Result := False; end; SetPrivilege( 'SeShutdownPrivilege', False ) end else begin // handle errors... Result := False; end; end;

WinExit() function was desinged to be used with 32 bit Windows programs (Win32) and it does not support restarting Windows without rebooting or logging off. If you're writing a program that will be run under Windows 3.x or Windows 95 and you want to restart windows without rebooting the machine (after installing device drivers, for example), you can use ExitWindows() Win16 function (don't forget to add WinProcs and WinTypes units to your uses section):

ExitWindows( EW_RESTARTWINDOWS, 0 );

comments