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Returning an array from a form
Message
From
09/05/2000 17:45:26
 
 
To
09/05/2000 17:36:23
General information
Forum:
Visual FoxPro
Category:
Forms & Form designer
Miscellaneous
Thread ID:
00367796
Message ID:
00367874
Views:
19
>Thanks. Is that something like the following?
>Public array myarray[5,5]

Nope - this does not involve creating a PUBLIC array.

>do form with thisform
>
>*in the new form
>In the init
>
>thisform.passed_array = thisform.myarray
>
>John

In the new form:

In the basic form DEFINE, implemented at Load:

oPassedObject = NULL

In the Init:

LPARAMETER oParmObject
thisform.oPassedObject = oParmObject

anywhere in the form, you reference the parameter object as thisform.oPassedObject.MyArray[] whenever need - it can be resized, have values read and written, etc.

To call it:

oObjToPass = CREATEOBJ('Line') && or whatever
oObjToPass.AddProperty('MyArray[5,5]') && whatever size is needed
*
* Populate the array member of oObjToPass as you like
*
DO Form whatever WITH oObjToPass

This mechanism doesn't screw up as the public array would when >1 instance of the Form might exist, and doesn't break encapsulation or create any dependencies on the name of the array. It works with both modal and non=modal forms.
EMail: EdR@edrauh.com
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