Asynchronous Web Services
One specific area in which you'll want to use asynchronous WinForms applications is when calling Web services. Calling a Web service is similar to passing a message between threads, except that Web services messages travel between machines using standard protocols such as HTTP and XML.[3] Imagine a .NET Web service that calculated digits of pi using some way cool fast pi calculation engine:
[3] For thorough coverage of the whys and wherefores of Web services, you can read Real World XML Web Services: For VB and VB .NET Developers (Addison-Wesley, 2002), by Yasser Shohoud.
Class CalcPiService Inherits System.Web.Services.WebService <WebMethod> _ Function CalcPi(digits As Integer) As String ' Way cool fast pi calculator ...
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