Have you considered implementing a publisher/subscriber pattern in the framework? For example, in your sample application I would like the Order Entry form to be able to subscribe to a customer change on the Customer Maintenance form that would allow the Order Entry form to update itself to reflect that change.

Sorry for the delay in response, Larry, I was at a wedding in New Mexico, and just got back in. Are you using an AddHandler call, or are you using the implicit call to AddHandler using the Handles keyword after the sub? I'm trying to figure out where the event handler is getting attached, and what instances of the forms and business objects are being used. You might also post any relevant code snippets from what you added...