global variables

[hershrev]

On Wednesday, February 4, 2004, at 07:27 PM, Sarah Reichelt wrote:

> A global works everywhere, but it has to be declared in each place 
> where you need to use it. i.e. you must include the line "global 
> gMyGlobalVar" in every script that needs access to the global 
> gMyGlobalVar. If you declare it in a handler, only that handler sees 
> it, but if you declare it outside the handler, all the handlers in 
> that script can see it without needing a separate declaration in each 
> handler. Even though globals are accessible everywhere, you must tell 
> each script or handler that they are globals before you use them, 
> otherwise they will just assume you are creating a local variable of 
> the same name.
That means if I declare a "global mygabc =3' out side of a scrip in a 
stack ,when I need it in a button I have to declare it again
"global mygabc" in the button script.
and if I declare it in a handler in a stack ????? Where is the 
difference ??
Thanks
>
> Cheers,
> Sarah
> sarahr at genesearch.com.au
> http://www.troz.net/Rev/
>
> On 5 Feb 2004, at 10:22 am, hershrev wrote:
>
>> Hello, every body .
>> What i understood from the rev Docs that a global variable put it one 
>> stack works for the whole application without initializing it.
>> What is the difference if put out side a handler or inside.
>> thanks hershrev
>>
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>
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