>I have a main form that fills the FoxPro screen. It opens a second form that covers the bottom-right corner of the main form.
>When I size the FoxPro window the main form resizes correctly based on the "resize" method, but how can I reference the second form's "resize" method to change it?

See this technique recommended by Andy Kramek

http://weblogs.foxite.com/andykramek/2005/09/04/getting-a-reference-to-a-parent-form