Plugin not showing on menu in Promis.e CONNECT

We are transitioning from V8i to CONNECT promis.e (10.04.00.22).  We have a plugin for V8i that adds itself to the menu bar using the ECT.ECAD.API.Plugin interface.

It works fine in V8i.  I converted the plugin to use the CONNECT libraries.  The plugin loads without error, and plugin manager shows it as active.

I don't get the 'Plugins' menu, or my plugin.  What to I need to change to be able to execute the plugin?

Thanks

gr