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[Gordon]

Forget it!

I see what I'm doing wrong - customProperties refers
to a customPropertySet - I just substituted "return
the tname of button ...." in getGlobal and it works.

"Please Mr Postman look and see (oh yeah)
If there's a manual,
a rev manual for me ... "

Best

Gordon



--- Gordon <gwalias-rev at yahoo.com> wrote:

> OK, thanks to the help of Rob and others, I have a
> "setGlobal" function that works
> 
> Here it is:
> on setGlobal tname, tvalue
>   set the tname of button "Button" of stack
> "EZGlobals" to tvalue
> end setGlobal
> 
> - When I hit a button on the calling stack, it
> creates
> custom properties just fine in the button on my
> library stack.
> 
> But when I ty to poll the values of these custom
> properties (which I can see in the inspector), they
> are empty but I get no error.
> 
> Here's the retrieving function in the library stack
> 
> function getGlobal tname
>   return the customProperties[tname] of button
> "Button" of stack "EZGlobals"
> end getGlobal
> 
> 
> So for example, I set a global called "myVar" to
> 144.
> I can see it in the custom properties of the button
> on
> my library stack. When I do "answer
> getGlobal("myVar")" either from the calling stack or
> the message box, it works without an error but I get
> an empty value.
> 
> Any ideas?
> 
> Best
> 
> Gordon
> 
> --- Rob Cozens <rcozens at pon.net> wrote:
> 
> > Gordon,
> > 
> > >
> > >Could you elaborate on the "gotcha" thing. I
> > changed
> > >my function from
> > >
> > >    "function setGlobal <params>"
> > >
> > >to
> > >
> > >    "on setGlobal <params>"
> > >
> > >and now I don't get the error message, but
> instead
> > of
> > >setting the cutom property "myVar" of the button
> to
> > >23.6, it creates a cutom property called
> > "myVar,23.6"!
> > >
> > >What's the difference between a command and a
> > >function- I even tried setting "setGlobal" back
> to
> > a
> > >function and returning something, but then I got
> > the
> > >old "handler not found" error again. I am
> confused
> > >about commands and functions - why are my
> functions
> > >not seen and which should I use and when?
> > 
> > A command starts with "on"; a function starts with
> > "function"
> > When calling a function, the arguments to be
> passed
> > are enclosed in 
> > parens (); when calling a command they are
> > not--though individual 
> > arguments may contain ()..
> > A function must return a value; a command may
> return
> > a value.
> > 
> > The Rev script parser looks for the "(" in a
> handler
> > call to 
> > determine whether it is a function or command.  If
> > it sees "setGlobal 
> > params" it generates a "command message"; if it
> sees
> > 
> > "setGlobal(params)" it generates a "function
> > message".
> > 
> > So if one had a command "setGlobals" and scripted
> > "setGlobals (the 
> > short name of the target)", one would get a
> "handler
> > not found" 
> > [expecting a function]; whereas scripting.
> > 
> > 	"get the short name of the target
> > 	setGlobals it"
> > 
> > will work.
> > 
> > 
> > >Here are the "setGlobal" and getGlobal functions
> > >
> > >on setGlobal tname, tvalue
> > >   set the tname of button "Button" of stack
> > >"EZGlobals" to tvalue
> > >end setGlobal
> > >
> > >function getGlobal tname
> > >   return the tname of button "Button" of stack
> > >"EZGlobals"
> > >end getGlobal
> > 
> > I don't see any obvious error.  How are tname &
> > tvalue set before the 
> > setGlobal command is called.
> > -- 
> > 
> > Rob
> > _______________________________________________
> > use-revolution mailing list
> > use-revolution at lists.runrev.com
> >
>
http://lists.runrev.com/mailman/listinfo/use-revolution
> > 
> 
> 
> =====
> :::::::::: Gordon Webster ::::::::::
> _______________________________________________
> use-revolution mailing list
> use-revolution at lists.runrev.com
>
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> 


=====
:::::::::: Gordon Webster ::::::::::