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Combo Box Anomolies
Message
From
09/12/1997 09:13:08
 
General information
Forum:
Visual FoxPro
Category:
Forms & Form designer
Miscellaneous
Thread ID:
00064171
Message ID:
00064638
Views:
39
>>Hi,
>>
>>>When you scroll down does this occur when you scroll fast and slow? I've got a similar problem with a list box. If the user clicks on the down arrow of the scrollbar repetively, no problem. But if he clicks and holds the mouse down causing the listbox to scroll quickly, when it reaches the bottom it becomes visually messed up -- similar to what you've described. I'm using 5.0 as well. I've resigned the fact that it is probably a GUI bug and hope it is fixed when I get the VFP version in Visual Studio.
>>
>>
>>Yep, it's only when you grab the little scroll bar and scroll fast. My clients are going to LOVE this one!
>
>Yes, our clients love this one as well ! One of their "support files" contains 6000 entries, and they have to now use the
>"arrows" as the scroll bar fails to operate.
>
>This is a major bug existing from 5.0 > 5.0a with service packs - come on
>Microsoft - sort it out !
>
>PS: If anyone has a work around for this - I'd love to here it !
>
>Regards

Darrin-
for a list with 6000 entries you really should be using a grid instead of a listbox. From my experience, listboxes start to break down and show their weaknesses when asked to display more than a couple of hundred records. (Not that they don't have any weaknesses with moderate sized lists). Grids are much more steadfast, and displaying thousands (or millions) of records is what it was designed for. Playing around with the properties of a grid, it isn't too hard to make it look like a listbox. I use (as many people now know) the ingrid control to get incremental searching in a grid, and have a class that I use for purposes where you might want a listbox. HTH
Erik Moore
Clientelligence
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