The implementation of the OnOrder method does nothing. This component will be used to register the event. Cmd component, the CmdEvent is used in the Order method to raise the OnOrder event. As its name implies, this is the component in charge of handling orders and shipping articles to the clients. The particularity of Shipping.
Delivery is that it exposes the IdevCmdEvent interface.
This will enable the component to subscribe for automatic notification of orders. Delivery naturally does not implement the articles shipment, as this would require a proper framework. Note that Shipping. Cmd and Shipping. Delivery are implemented without event load optimization.