EAN: 9781430237471

PROGRAMMING REACTIVE EXTENSIONS AND LINQ - JESS...

Pro Reactive Extensions and LINQ is a deep dive into the next important technology for .NET
developers: Reactive Extensions. This in-depth tutorial goes beyond what is available anywhere
else to teach how to write WPF  Silverlight  and Windows Phone applications using the Reactive
Extensions (Rx) to handle events and asynchronous method calls. Reactive programming allows you
to turn those aspects of your code that are currently imperative into something much more
event-driven and flexible. For this reason  it's sometimes referred to as LINQ for Events.
Reactive programming hinges on the concept of the observable collection  as opposed to the
simple enumerable collection with which we're all familiar. For example  to extract data from a
collection and add it to a list box  you would traditionally iterate through the list box 
extracting each object in turn. This approach works fine  but it requires significant knowledge
about the data you're working with  which can be limiting. In Rx programming  you're instead
informed about each object in turn and then free to react to each notification however you like
which affords much greater flexibility. This book shows you how reactive programming can be
applied to a range of situations - from WPF applications to Windows Phone apps - to improve
coding efficiency and boost performance.

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