Visual Basic® 2010 Unleashed

Invoking Members from the Service

To invoke service members, you need to create an instance of the proxy class, which in our example is named BookClient.BookServiceReference.BookServiceClient. Creating an instance of the class can establish a connection to the WCF service and give you access to public members. Continuing with the previous example, the client application could have an instance of the Book class and invoking the ValidateBook method for checking if the Book instance is correct according to our needs. Code in Listing 41.5 shows how to accomplish this.

Listing 41.5 Instantiating the Proxy Class and Invoking Service Members

Therefore ...