显示隐藏任务栏

; http://www.autohotkey.com/board/topic/22038-autohide-the-windows-xp-taskbar/
ABM_SETSTATE    := 10
ABS_NORMAL      := 0x0
ABS_AUTOHIDE    := 0x1
ABS_ALWAYSONTOP := 0x2
VarSetCapacity( APPBARDATA , 36, 0 )
Off :=  NumPut(  36, APPBARDATA    )
Off :=  NumPut( WinExist("ahk_class Shell_TrayWnd"), Off+0 )
F4::     ;显示
NumPut( ABS_ALWAYSONTOP, Off+24 )
DllCall("Shell32.dllSHAppBarMessage", UInt,ABM_SETSTATE, UInt,&APPBARDATA )
WinShow, ahk_class Shell_TrayWnd
Return
F5::   ;隐藏
NumPut( ABS_AUTOHIDE|ABS_ALWAYSONTOP, Off+24 )
DllCall("Shell32.dllSHAppBarMessage", UInt,ABM_SETSTATE, UInt,&APPBARDATA )
WinHide, ahk_class Shell_TrayWnd  ; Hide Taskbar
Return