The problem is not Vista related. See Objects on a Form Disappear when Moving over then with Mouse



>Not in a bad way. It fixes a problem Visual FoxPro apps have running under Vista. I'm guessing the machine(s) in question were recently upgraded to Vista.
>
>>Hi Sergey,
>>
>>No, I wasn't aware of this setting. If this is done do you know if it affects all of the user's other running programs?
>>
>>Andrew
>>
>>>Did you try to turn Themes off?
>>>
>>>_Screen.Themes = .F.
>>>
>>>>I've been happily using Foxfire 6.0 for quite some time but I've recently encountered a perplexing issue that I hope somebody may have encountered and overcome before.
>>>>
>>>>Certain forms in the product, such as the one where the users selects a report type when first creating a new report, have controls on the form that briefly appear and then disappear. The user is left with a blank appearing form. Sometimes, the form controls may reappear on a mouseover event, but not always. If the users tabs, the controls will appear as they gain focus.
>>>>
>>>>I tried reducing hardware acceleration using the Control Panel Display applet, but even with no acceleration at all the issue persists. The machines are using an ATI graphics chipset.
>>>>