In A2010 I can place subforms in a stacked layout and get them to
resize with a bit of code. I try the same thing with A2007 and the
subforms jump to a location to the bottom right.

Opening, closing or resizing the Navigation Pane puts the whole layout
back in the correct position.

So I've tried Repaint, Move Form, (built in Access commands and their
api equivalents) etc but nothing is working.

Any suggestions?

Thanks

Noticed - switching from tab to tab, the broken subform position/
drawing remains but resizing the entire access application fixes the
subforms back to their correct position.

Have tried these api functions:

InvalidateRect
InvalidateRgn
RedrawWindow
SendMessage

not saying they wouldn't work, I just haven't had any luck.

Have also used a timer to wait 5 before redraw/invalidate window.

Figured it out.

Reassign source objects to all subforms.