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Visual Basic 2015 Unleashed
book

Visual Basic 2015 Unleashed

by Alessandro Del Sole
July 2015
Intermediate to advanced content levelIntermediate to advanced
1300 pages
87h 27m
English
Sams
Content preview from Visual Basic 2015 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 invoke the ValidateBook method for checking whether the Book instance is correct according to our needs. The code in Listing 37.5 shows how to accomplish this.

LISTING 37.5 Instantiating the Proxy Class and Invoking Service Members

Imports BookClient.BookServiceReferenceModule Module1    Sub Main()        'Creates ...

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Publisher Resources

ISBN: 9780134196664Purchase book