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Dynamically adding controls at runtime problem
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À
10/11/1998 10:29:39
Rex Mahel
Realm Software, Llc
Ohio, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
The Mere Mortals Framework
Divers
Thread ID:
00154801
Message ID:
00156834
Vues:
30
Rex,

>Now I can't get the container to release if it contains another BizObj, probably a dangling reference. Just for my information, why do we need to reset the UIEnabler.lActivated properties on an Add?>

I put a few brain cells into this question tonight and rembered that the UIEnabler.lActivated property *does* need to be reset when a new record is created, since other logic in the Framework is depending on this to occur. For example, the "MustKey" logic needs to know if a user has activated a particular page since the last time a new record was created.

At any rate, this means that we can't use UIEnabler.lActivated to determine whether controls should be added to the page. I recommend checking if the TYPE of the control container == 'O' to decide whether the controls need to be added. For example:

IF TYPE('This.cntControls') == 'O' AND NOT ISNULL(This.cntControls)
*--- ADD the container
ENDIF

I will make a change to the Developer's Guide recommending this new method.

Regards,
Kevin McNeish
Eight-Time .NET MVP
VFP and iOS Author, Speaker & Trainer
Oak Leaf Enterprises, Inc.
Chief Architect, MM Framework
http://www.oakleafsd.com
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