>>>What about hWnd property of controls? WHICH window handle it contains? So checking for VFP7 is easy - just check if hWnd proeprty exists and it is not 0.
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>>Some ActiveX controls (the TreeView, ListView and Date/Time picker are three) have hWnd properties now because they're real windows. However, not all do, so it's a hit or miss method.
>
> I thought the chatter was about VFP button control...

Yes it was, but even if an object is a real window, there's nothing that says it has to expose its hWnd (window handle). Form's in 6.0 and every previous version of FoxPro (including FPW) are an example.