[VFP] WebView2 Container always on top / not contained within Page Frame

[echolis]

I'm attempting to use AntView on a VFP 9 form, inside of a Page Frame (tabs) control. It appears as if the control is properly associated with the second "Page" of the Page Frame, but it's being painted on top of everything. The desired result is for it to be contained within the second tab. It also seems to inherit the size of the page frame.

Here's how the form looks while editing:
   

Here's how the form looks if I manually select Page 2 of the page frame:
   

Lastly, here's how the form looks when it runs: