Book Image

MCTS: Microsoft Silverlight 4 Development (70-506) Certification Guide

By : Johnny Tordgeman
Book Image

MCTS: Microsoft Silverlight 4 Development (70-506) Certification Guide

By: Johnny Tordgeman

Overview of this book

Microsoft Silverlight is a powerful development platform for creating engaging, interactive applications for many screens across the Web, desktop, and mobile devices. Silverlight is also a great (and growing) Line-Of-Business platform and is increasingly being used to build data-driven business applications. Silverlight is based on familiar .NET languages such as C# which enables existing .NET developers to get started developing rich internet applications almost immediately. "MCTS: Microsoft Silverlight 4 Development (70-506) Certification Guide" will show you how to prepare for and pass the (70-506): TS: Microsoft Silverlight 4 Development exam.Packed with practical examples and Q&As, MCTS: Microsoft Silverlight 4 Development (70-506) Certification Guide starts by showing you how to lay out a user interface, enhance the user interface, implement application logic, work with data and interact with a host platform amongst others.
Table of Contents (15 chapters)
MCTS: Microsoft Silverlight 4 Development (70-506) Certification Guide
About the Author
About the Reviewers

Chapter 4. Implementing Application Logic

So far, we have mainly dealt with the UI layer, but no application can be called an application without some logic. In this chapter, we are going to work mainly on the code behind layer of our application. We will discuss the concept of events, dive deep into dependency properties, interact with attached properties, and finish off with the ICommand interface. With so many exciting topics, we'd better get started right away!

In this chapter, we will cover the following topics:

  • Handling events

  • Consuming services asynchronously

  • Working with background threads

  • Working with dependency properties

  • Interacting with attached properties

  • Implementing ICommand

Handling events

If you have ever worked with events in any .NET-based language, you will feel right at home with Silverlight. Just like other .NET languages, you can select an element in the design area, and generate the event handler automatically using Visual Studio 2010. Of course, you are not limited to adding...