Trying to understand the inner workings of ResizeStack

Terence Heaford t.heaford at icloud.com
Tue Mar 15 05:15:24 EDT 2016


> On 15 Mar 2016, at 09:03, Mark Waddingham <mark at livecode.com> wrote:
> 
>> 5. Is it necessary to call lock screen in myUpdateGeometry and
>> dispatch “refreshChart”?
> 
> No - the screen is implicitly locked before the resizeStack message is sent, and unlocked afterwards. Then the screen is explicitly updated.


Does having a lock and unlock screen pair in refreshChart have any detrimental effect when it is called from resizeStack?

Does having a lock and unlock messages pair in refreshChart have any detrimental effect when it is called from resizeStack?


Will try to put together a test stack and video grab of the screen flash.

I am using an iMac, El Capitan.

Thanks

Terry


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