flag [optional] @SW_SHOW = Shows a previously hidden window (default)
@SW_HIDE = Hide window
@SW_MINIMIZE = Minimize window
@SW_MAXIMIZE = Maximize window
@SW_RESTORE = Undoes a window minimization
@SW_DISABLE = Disables the window
@SW_ENABLE = Enables the window
@SW_LOCK = Lock the window to avoid repainting.
@SW_UNLOCK = Unlock windows to allow painting.
@SW_SHOWDEFAULT - Sets the show state based on the SW_ flag specified in the STARTUPINFO structure
@SW_SHOWMAXIMIZED - Activates the window and displays it as a maximized window
@SW_SHOWMINIMIZED - Activates the window and displays it as a minimized window
@SW_SHOWMINNOACTIVE - Displays the window as a minimized window
@SW_SHOWNA - Displays the window in its current state
@SW_SHOWNOACTIVATE - Displays a window in its most recent size and position
@SW_SHOWNORMAL - Activates and displays a window

winhandle [optional] Windows handle as returned by GUICreate() (default is the previously used window).

Success: 1.

Failure: 0.

#include <GUIConstantsEx.au3>
Example()
Func  Example()
GUICreate ("My GUI"); start the definition
GUISetState (@SW_SHOW ); will display an empty dialog box
; Loop until the user exits.
While 1
Switch GUIGetMsg ()
Case $GUI_EVENT_CLOSE
ExitLoop
EndSwitch
WEnd
EndFunc ;==>Example