>>>
>>>Intercept the QueryUnload() Event. NODEFAULT will avoid the default behaviour, in this case, closing the form.
>>
>>Not if it's the main VFP window. That only works for user defined forms.
>
>hmmm...I made the same mistake as Hilmar. Let's assume a form would be open when this restriction would be in place.
>
>My ON SHUTDOWN routine cycles through any open forms, and calls their QUERYUNLOAD() methods to determine if they can be released. And I thought releaseType was a reliable check, even when closing the VFP screen...until I just hammered it over and over.
>
>I clicked on the _screen close ("X") several times...and the queryunload() will work properly. But at a certain point (it may be 5 attempts, it may be 15 attempts), the form's releaseType will be 0, and queryUnload() will allow the form to close.
>
>VFP6SP5.
>
>Any thoughts?

Sorry, I don't use VFP6 anymore for multiple screen applications.