[AccessD] Refreshing open forms when something changes

jwcolby jwcolby at colbyconsulting.com
Wed Jun 22 17:09:12 CDT 2011


I assume that you don't program in Access then since you can't inherit anything?

;)

John W. Colby
www.ColbyConsulting.com

On 6/22/2011 4:41 PM, Stuart McLachlan wrote:
> Hear, hear.
>
>>
>> A. I don't use classes for the most part with Access.  Without full
>> inheritance, I don't think it's worth the effort.  I can (for the most
>> part) achieve the functionality of classes without the overhead of
>> dealing with them.
>>
>
> Apart from the lack of inheritance, the other problem with Access is the single interface.
>
>>
>>    So I see the need for the functionality it provides, but I don't
>>    implement
>> it in that way.  The way I have implemented that is through a specific
>> class and middle tier business objects. It goes back to the comment I
>> made about objects registering/unregistering for services.
>
> The way I implement this in other environments is using an event interface or interfaces in
> the server object (in this case the form where the changes are made)  and have client
> objects subscribe to that interface.   The I can raise a specific event when a control changes
> or whatever on an appropriate interface and the objects which subscribe to it receive and act
> on the event.
>
> Just a few extra lines of code. No need for the kludge of a special class when WIndows
> already provides a message pump.
>
>
>



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