Simple hotkey press example

$ON = False

$t = TimerInit()

func toggle()
   $ON = not $ON

   $t = TimerInit()
endfunc

func pressF2()
   if TimerDiff($t) > 20000 then
      ToolTip("Pressing F2...",10,10)

      send("{F2 down}")
      Sleep(100)
      send("{F2 up}")

      $t = TimerInit()
   EndIf
EndFunc

HotKeySet("0", "toggle")

MsgBox(0,"","Press 0 to toggle On/Off")

While True
   Sleep(500)

   if $ON Then
      ToolTip("Script ON: " & Round(TimerDiff($t)/1000,0),10,10)
      pressF2()
   Else
      ToolTip("Script OFF...",10,10)
   endif
WEnd