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How do you test to see if an array exist
Message
De
02/06/1999 20:24:14
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00225707
Message ID:
00225711
Vues:
15
If Type('a_array1')<>'U'
*process normal code here
Release a_array1
Else
*error handling code here
Endif


>I have an array (a__array1) that is being populated, But sometimes there is nothing to populate and I get an error of the following kind:
>
>file 'a_array1.prg' does not exist
>
>
>I am testing the array by doing to following
>
>if !empty(a__array1(1,2))
> append from array a__array1
>endif
>dimension a__array1(1,8)
>adel(a__array1, 1)
>
>I am checking the 2nd element of the a__array1 to see if it has someting because the first element always has a zero and therefore returns empty = 0 (which is what I want it to do). Is there another way to see if my array is truely empty. Help much appreciate.
>
>Nick Patel
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