VS2005 anchor problems on inherited form with a tab control

Anchors of controls, other than Top-Left, on a form that inherits from a form that has a tab control on it creates unpredictable results.  This applies to controls placed on tab pages.  When the solution runs and the derived form displays the controls may not be in the position where you last placed them.  Likewise, when the solution is closed and re-opened the controls may not be in the position where you last placed them. I confirmed this by testing all scenarios using, and not using form inheritance, tab controls, and anchoring as variables.