OnExit, Exit
   hHookMouse := DllCall("SetWindowsHookEx" . (A_IsUnicode ? "W" : "A")
      , Int, WH_MOUSE_LL := 14
      , Int, RegisterCallback("LowLevelMouseProc", "Fast")
      , Ptr, DllCall("GetModuleHandle", UInt, 0, Ptr)
      , UInt, 0, Ptr)
    Return

Esc::
Exit:
    DllCall("UnhookWindowsHookEx", Ptr, hHookMouse)
    ExitApp

LowLevelMouseProc(nCode, wParam, lParam)
{
   Critical
   SetTimer, Send, -1000
   Return DllCall("CallNextHookEx", Ptr, 0, Int, nCode, UInt, wParam, UInt, lParam)
}
 
Send:
    SendInput {F5}
    Return