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8849CH25.qxd  10/16/07  10:51 AM  Page 908

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Figure 25-19.

Advanced client-side proxy configuration options 

At this point, the proxy code will contain additional methods that allow you to invoke each

member of the service contract using the expected Begin/End asynchronous invocation pattern

described in Chapter 18. Here is a simple implementation that makes use of a lambda expression

rather than a strongly typed AsyncCallback delegate.

using System;

using MathClient.ServiceReference;

using System.Threading;

namespace MathClient

{

class Program

{

static void Main(string[] args)

{

Console.WriteLine("***** The Async Math Client *****\n");

using (BasicMathClient proxy = new BasicMathClient())

{

proxy.Open();