Toggle key press

#SingleInstance force ; Don't have multiple instances of this script running.
SendMode Input ; Recommended for new scripts due to its superior speed and reliability.

KeyDown = 0 ; variable to track the toggle state

^F4:: ; Ctrl+F4 to start
    KeyDown := !KeyDown ; Toggle states
    If KeyDown
        SendInput {w down} ; Hold down the key the first time you press the key combination
    Else
        SendInput {w up} ; Release the key
return