- wxSHUTDOWN_POWEROFF, // power off the computer
- wxSHUTDOWN_REBOOT // shutdown and reboot
+ wxSHUTDOWN_FORCE = 1,// can be combined with other flags (MSW-only)
+ wxSHUTDOWN_POWEROFF = 2,// power off the computer
+ wxSHUTDOWN_REBOOT = 4,// shutdown and reboot
+ wxSHUTDOWN_LOGOFF = 8 // close session (currently MSW-only)