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Scrollbars and VFP9
Message
From
27/04/2005 10:11:44
 
 
To
27/04/2005 09:10:37
Bruno Maddalozzo
Informatica Aziendale
Arsie, Italy
General information
Forum:
Visual FoxPro
Category:
Troubleshooting
Environment versions
Visual FoxPro:
VFP 9
Miscellaneous
Thread ID:
01008804
Message ID:
01008835
Views:
16
>I’ve built a small application with VFP9 to collect data as to produce a text file to be sent via email and then imported into a statistical application.
>Instead of using pageframes, I decided to use the new extended feature of scrollable forms allowed by VFP9: the capability of going beyond the limit of VFP8 (2 times the height of the display). In fact, the last container added has its TOP property = 8000). No problem in my XP developement machine, nor with an old Win98 box.
>Surprise begun when the application was installed on a laptop (XP, Asus with Ati Radeon 9000 video card). All the textboxes, labels and combos included in my containers didn’t show, from about Top 3500.
>Labels not inside a container showed.
>The textboxes can receve text and which is saved correctly. But it is not diplayed; better, it is displayed as if with the same font color as the background of the textbox. When clicking in the textbox and then moving the mouse with the left button pressed, the text shows.
>When I try to resize the form and reach a particular width, everything reappears, but suddendly disappears when the width changes (even with small differences).
>
>The worse happened on a second laptop (XP, Acer travelmate with the same video card). No object within a container was displayed and black shapes where randomly drawed in the screen (titlebars, form, everywhere...).
>
>I tried to remove Windows XP themes, but the problem persist.
>Tried also to modify from Scrollbars = 2 (vertical) To 3 (Both).
>Tried also to build a small application to reproduce the behaviour: no success.
>
>Any ideas.
>Thanks.

The video ram size is ?
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