I don't know of a way to intercept them, and I did look, because I
have/had exactly the same problem.
I wrote a script (ExplicitProperties) which does a decent, but
imperfect, attempt to find places you have referenced a customprop, and
checks whether it is a "known" one. That was back in 2012, and I haven't
used it much in the meantime, so I don't know what the latest ersion of
LC it has been tested / used with - but it was useful to me then.
You can find it at
http://www.tweedly.org/showpage.lc?page=ExplicitProperties with an
explanation of what it does.
So, you very reasonably ask, why does the author no longer use it ? :-)
Well, I just gave up on using custom properties completely. Probably not
the right thing to do, but it works for me.
Alex.
On 16/10/2018 08:49, Neville Smythe via use-livecode wrote:
Is there any way to intercept setProp messages for properties you *don’t* want
to set?
I find with my poor typing skills I keep typing
Set the <NonexistentProperty> of <something>
where NonexistentProperty is a mistype of SomePropertyWhichHasASetPropHandler
and so I keep creating lots of superfluous properties for the object. Annoying
and sometime painful to clean up.
When you are initially creating the object properties this is not a problem but
once the structure is set up I'd like to declare “enough”, maybe with a
LockProperties command
(come to think of it locking changes to existing properties might be useful
too, though that can be coded into each SetProp handler)
Also, on another topic: my LiveCode windows have suddenly acquired a second title
line, which when dragged tends to miniaturise the window and then display it
somewhere else or at full screen, and each time a script editor window is opened it
is moved higher up the screen until it moves under the menubar and becomes unusable.
Looks look a system thing (Mac High Sierra) but I’ve never seen it before and only
just changed to LC9.0.1. Any suggestions as to how to stop this major annoyance
would be appreciated - or at least configure it if it really is a new LC
”feature".
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