Gil,

>I use a toolbar with instances of cSeparatorBar to separate the buttons on the bar into logical choices.
>The Define() method in the cSeparatorBar class calls the function ISA() and passes it a reference to This.Parent.Parent and 'CBar'. The new toolbar chokes on this since there is no parent.parent (maintoolbar is the only parent and my toolbar is not docked)

Are you using the menu's CSeparatorBar class in a toolbar?

Regards,