Globals Question

David Burgun dburgun at dsl.pipex.com
Wed Nov 2 09:20:25 EST 2005


>Hi Dave,
>
>By definition, the value of any global is available everywhere in 
>any open stack/script/handler/function where this global is declared.

This is what I don't understand. If I define gGlobal in the stack 
script and also define it in the card script, are there one or two 
gGlobals's created?

If I don't define gGlobal in the card script, then I get an error 
since I have variable checking turned on.

Thanks a lot
Dave



>All current global variables names are returned by the globalNames property.
>Have a look at the globals pane of the message box.
>For instance, try this in any stack:
>
>on mouseUp
>   put any item of the globalNames into tGlobal
>   do "global" && tGlobal -- global declaration
>   do "put" && tGlobal && "into tValue" -- global value
>   put tGlobal & colon & cr & tValue -- result into the msg
>end mouseUp
>
>
>Le 2 nov. 05 à 14:13, David Burgun a écrit :
>
>>I'm a bit confused over the Scope of Global Symbols. If I have a stack with:
>>
>>global gGlobal
>>
>>defined outside of all handlers
>>
>>and the same in a card or control script BUT in the same Stack, is 
>>the same "gGlobal" used in both places?
>
>
>Best Regards from Paris,
>
>Eric Chatonet.
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