Yup. My troubles came when I had a handler unlock the screen 5 times straight 
and I do not lock the screen to that many levels. It still did no unlock the 
screen, so now it may be that one handler cannot unlock another handler's lock 
screen, which I was unaware of. 

Bob S


> On Aug 18, 2017, at 18:37 , Mark Wieder via use-livecode 
> <use-livecode@lists.runrev.com> wrote:
> 
> On 08/18/2017 03:50 PM, Bob Sneidar via use-livecode wrote:
>> Hard to say. I'm almost done finding every place I lock the screen and 
>> adding an unlock screen in the same handler.
> 
> And that, of course, is the best procedure. Locking/unlocking the screen 
> works on sort of a reference-counting approach. In general, locking the 
> screen increments a counter, unlocking the screen decrements it. When the 
> counter reaches zero, the screen is unlocked and all the pending updates take 
> place.
> 
> -- 
> Mark Wieder
> ahsoftw...@gmail.com


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