>>>>>Certainly possible.
>>>>>
>>>>>Why don't you just use Value_assign to keep the Value from changing?
>>>>>
>>>>>-m.
>>>>
>>>>Haven't thought of it. I think my solution is OK for me - using when event and flipping value in when event.
>>>
>>>Value_assign works for programmatic change only, not interactive.
>>
>>Good point. Did you virtually move or in reality?
>
>Yes!

Nice answer :) It doesn't answer the question, though.