LocationInContainer
return (fParent ? fParent->LocationInContainer() + location : location);
return frame.OffsetToCopy(LocationInContainer());
return point - LocationInContainer();
return rect.OffsetBySelf(-LocationInContainer());
return point + LocationInContainer();
return rect.OffsetBySelf(LocationInContainer());
fContainer->Invalidate(rect.OffsetByCopy(LocationInContainer()));
BPoint LocationInContainer() const;