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Referencing Objects...IDEAS?
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Information générale
Forum:
Visual FoxPro
Catégorie:
Programmation Orientée Object
Divers
Thread ID:
00167801
Message ID:
00168469
Vues:
23
>Edward,
>
>> I understood what you do, and it was exactly the
>> reason why I asked. It's reasonable to give user two
>> (maybe three) instances, but 65? It might be better
>> to limit this number, just ask your users what actual
>> number of forms they want to see on their desktop at
>> the same time. I believe that ultimately, you will
>> need in just one form instance with some mechanism
>> in form.activate event to bring up the last result
>> for current activation.
>
>I was being facetious when I said "65"...but my users will _certainly_ need multiple forms... I don't take it upon myself to tell my users how many forms they can open. They have clearly stated the need to open multiple forms of the same type, and forms of different types, all at the same time. We have spent numerous user-group hours discussing how we can make this work, and rather than deny the users the ability to view multiple items, we are working on ways to make handling all of this "window-wading" easier for the user (screen "family" minimization, window navigation tools, centralized window navigation, etc.). I am fully aware that this makes the application more complex, and it is more work for this development staff, but user requirements are user requirements. I understand the business here very well, and these requirements are not from users who don't know what they are doing, but from people who yearn to be more efficient and get more done in a workday. I am here to
>facilitate that, and like it or not, multiple screens and wide-open non-modality are the answers.
>
>Thank you for your comments.
>
>JoeK

The point is that you, as developer, know the difference between bringing new instance of class or reusing the same instance and your users don't know about this. What your users actually want (surely, it's just my assumption) is to retrieve some information pretty quickly and have ability to monitor it for several instances simultaneously. However, it does not mean yet that they may open tens instances of the same form. Ultimately, they can drain Windows memory if not stopped. So, you could find solution to have limited number of instances, in reality it means that module's form manager collection will be limited in size, let say up to 5 elements. IMHO, it's more realistic setting, though I fully respect your right to develop on your own.
Edward Pikman
Independent Consultant
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