propertyChanged message

[Bob Sneidar]

https://quality.livecode.com/show_bug.cgi?id=23917

> On Sep 1, 2022, at 12:25 , Bob Sneidar via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Hi all. 
> 
> I would like to see a propertyChanged message implemented that gets sent to any object when any of it's properties change. There could even be two messages, one for built-in properies and another for custom properties. 
> 
> Imagine being able to change the font or size of a particular object, and then having all the other objects that "subscribed" to that object's font or size property ALSO have their fonts change. It would then be possible to build a kind of Object Oriented environment. What say you? 
> 
> Bob S
> 
> 
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