#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
; #Warn  ; Enable warnings to assist with detecting common errors.
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir%  ; Ensures a consistent starting directory.

#MaxThreadsPerHotkey 2

running := false
stop := false

~XButton1::

if(!running) {
    running := true
}
else {
    stop := true
    return
}

loop {

    Send {1} ; example sending key "a"

    if(stop) {
        running := false
        stop := false
        break
    }

    Sleep, 200

}

return