Key Definitions

Raw Keys

^  ; Ctrl
#  ; Win
<# ; Left Win
># ; Right Win
!  ; Alt
>! ; Right Altt
<! ; Left Alt
+  ; Shift
>+ ; Right Shift
<+ ; Left Shift
^  ; Control
<^ ; Left Control
>^ ; Right Control
; Multimedia
{Volume_Up}
{Volume_Down}
{Volume_Mute}

Double Keypress Detection

Alt Key in the example

~Alt::
DoubleAlt := A_PriorHotkey ="~Alt" AND A_TimeSincePriorHotkey < 400
Sleep 0
KeyWait Alt  ; This prevents the keyboard's auto-repeat feature from interfering.
return