SETSYSTEMSTATE
Action
Changes the (power)state of the computer.

Syntax
SETSYSTEMSTATE (mode, force)

Parameters
Mode
Optional parameter specifying one of the following modes:
Value	Action
0	Lock system (supported on Windows 2000 or higher only).
1	Standby.
2	Hibernate.
3	Poweroff.
Force 
Specifies whether applications with unsaved changes are forcibly closed.
If force is not zero, applications are closed.
If force is zero, a dialog box is displayed prompting the user to close the applications. 
Returns

0	Action succeeded
System error code	Action failed


Example
$RC = SetSystemState( 1 , 1 )  ; Force system to StandBy mode