>>>Stay tuned for:
>>>"What's lockscreen all about"? :-)
>>
>>Terry,
>>
>>Mark already helped with Autoyield, so...
>>
>>My practical understanding of Lockscreen is that it simply stops or allows the painting of the form and it's contents. For example, I will sometimes put this in the Refresh of a form:
>>
>>

>>Lockscreen = .T.
>>   ThisForm.MyObject1.Refresh
>>   ThisForm.MyObject2.Refresh
>>   ThisForm.MyObject3.Refresh
>>   ThisForm.MyObjectN.Refresh
>>Lockscreen = .F.
>>

>>
>>This will "pause" the redisplay of the form while specific objects are refreshed to help eliminate flicker.
>>
>>Renoir
>
>Just to add: note that .LockScreen does not affect ActiveX controls in your form, as they are separate windows. For them Windows API function LockWindowUpdate() can be used.

Nick,

Thanks for that! I didn't know that function existed.

Renoir