Foreword xviii Preface xx Acknowledgments xxx About the Author xxxii Chapter 1 Silverlight 1 The Common Language Runtime (CLR) 1 The Base Class Library (BCL) 2 The Presentation Core 3 The Presentation Framework 3 Communications 4 Data 4 Key Differences from the Full CLR 5 Silverlight First 6 WPF and Silverlight 7 HTML5 8 HTML5 Is Not Ready for Line of Business 10 HTML5 Won''t Keep Pace 11 HTML5 Isn''t Just Markup 12 HTML5 Is Not Native 12 HTML5 Is the Perfect Technology 14 Which Client Technology Is Right for You? 14 Use What You Know 15 Listen to the Customer 15 Consider the Development Team 16 Analyze Third-party Dependencies 17 LOB Applications 18 Summary 19 Chapter 2 Getting Started 21 Setting Up Your Environment 21 Silverlight 5 SDK and Visual Studio Tools 22 Expression Blend SDK 22 Silverlight Toolkit 24 Open Source Projects 25 Hello, Silverlight 26 Creating the Silverlight Application 27 Class Libraries 29 Application Services 32 Creating the Extension XAP 41 Sharing between Silverlight and the Core Framework 48 What about Those Templates? 53 The Standard Solution 55 Web Host 55 The Silverlight Project 59 Anatomy of a XAP File 61 Summary 64 Chapter 3 Extensible Application Markup Language (Xaml) 67 Markup and Class Instantiation 68 Dependency Objects and Properties 70 Dependency Properties 71 Attached Properties 75 Value Precedence 76 Markup Extensions 76 Type Converters 81 Value Converters 84 Styles 86 Storyboards 91 Layout 95 Measure and Arrange 96 Canvas 96 Grid 97 StackPanel 101 VirtualizingPanel and VirtualizingStackPanel 103 Containers 104 ContentControl 104 ItemsControl 105 ScrollViewer 105 ViewBox 106 Basic Controls 108 Summary 111 Chapter 4 Advanced Xaml 113 Working with Text 114 Rich Text 114 Character Spacing 120 Line Height 121 Parts, States, and Templates 123 Parts 123 States 127 Data Templates 128 Design-time Extensions 132 Interactivity with Behaviors and Triggers 141 Behaviors 141 Triggers 147 Natural User Interface (NUI) 149 Resource Dictionaries and Isolating Themes 151 Embedding and Distributing Fonts 155 Tips for XAP Extensions 157 Summary 159 Chapter 5 The Visual State Manager 161 Introduction to the VSM 162 Groups 162 States 165 Transitions 170 The Visual State Manager Workflow 171 Advanced Troubleshooting and Events 172 Custom Visual State Managers 176 The Visual State Manager in Blend 177 The Visual State Aggregator 185 Summary 194 Chapter 6 Data-Binding 195 Data-Binding Basics 196 Data-Binding Debugging 200 Data-Binding within Styles 203 Synchronizing Lists 208 Commands 218 Validation 220 Validation with Exceptions 224 Validation Using Data Error Info 226 Asynchronous Validation 230 Fluent Validation 232 Summary 244 Chapter 7 Model-View-ViewModel (MVVM) 245 UI Design Patterns 246 The Model-View-ViewModel Pattern 251 The Model 255 The View 262 The View Model 264 Binding the View Model to the View 265 View Model Locators 265 Controllers 269 Design-Time View Models 271 Custom Markup Extensions 272 View-Model-First Approach Versus View-First Approach 274 Lists and Data Elements 275 Summary 276 Chapter 8 The Managed Extensibility Framework (MEF) 279 Discovery 281 Imports 281 Exports 284 Parts 286 Catalogs 287 Containers 288 Composition Initializer and Host 289 Lifetime Management 291 Extensibility 295 Recomposition 297 Deployment Catalog 301 Discovering XAP Files 303 Offline Catalog 305 Metadata 306 Weakly Typed Metadata 306 Strongly Typed Metadata 309 Lazy 312 Troubleshooting 313 Understanding Stable Composition 314 Import Parameters 315 The MEF Debugger 316 Jounce, an MVVM with MEF Framework 318 Summary 319 Chapter 9 Testing 321 Why Test? 322 Testing Eliminates Assumptions 323 Testing Kills Bugs at the Source 324 Testing Helps Document Code 324 Testing Makes Extending and Maintaining Applications Easier 325 Testing Improves Architecture and Design 326 Testing Makes Better Developers 326 Conclusion: You Should Test 327 Unit Tests 327 Silverlight Unit Testing Framework 332 Linked Classes and Shared Testing 338 Automated Testing 343 Mocking and MEF 345 View Model Tests 352 Testing Xaml 359 Coded UI Tests 364 Challenges 366 Automation Peers 367 Summary 371 Chapter 10 Navigation 373 The Silverlight Navigation Framework 374 Basics of Navigation Using the Framework 375 Choosing Page-Based Navigation 377 Custom Navigation 378 Manual Navigation 379 Containers 379 Navigation Events 384 Region Management 391 Summary 398 Chapter 11 The Service Layer 399 Domain Data and Behaviors 400 Strategies for Sharing Domain Objects between the Client and Server 401 DOM Interop and ASP.NET Callbacks 402 The Updated To-Do List 402 DOM Interoperability 404 Another Example: Callbacks 407 Communication 412 Representational State Transfer (REST) 412 Plain Old XML (POX) and JavaScript Object Notation (JSON) 423 Windows Communication Foundation (WCF) 424 WCF RIA Services 431 Local Messages 435 Sockets 436 Mapping and Transformation 443 Mapping Versus Exposing the Model 443 Dynamic Types 448 The Custom Type Provider 450 Asynchronous Techniques 452 Events Versus the Asynchronous Programming Model (APM) 452 Lambda Expressions and Method Chaining 455 Action and Callbacks 456 Reactive Extensions (Rx) 459 IWorkflow 460 Tasks and await 463 Summary 465 Chapter 12 Persistence and State Management 467 The To-Do List Application 468 WCF RIA Services 468 Filters and Sorts 471 Navigation Parameters 472 Persisting Preferences with Settings 473 Folders and Files in Isolated Storage 476 Managing Isolated Storage Access and Quotas 478 Accessing Folders and Files 482 Finding Isolated Storage 484 Iterating the File System 485 Signing Files 491 Encrypting Files in Silverlight 494 Sterling in Silverlight 498 Summary 514 Chapter 13 Out of Browser Applications 515 Getting Started 516 Checking for Updates 523 Elevated Trust 526 Application Signing 528 File System Access 530 Toast Notifications 531 Child Windows 535 COM Interop and Script Host 540 Native Silverlight Extensions 546 p/Invoke 547 Elevated Trust in the Browser 552 Distribution and Installation 553 Installation 553 Execution 554 Uninstalling Your OOB Application 555 Summary 556 Chapter 14 Line of Business Features 557 Designer/Developer Workflow 559 Printing 561 Localization 571 Modularity and Extensibility 576 Scalability 578 Extremely Large Data Sets 578 Concurrency 590