book

Mastering Windows Presentation Foundation

by Sheridan Yuen

February 2017

Intermediate to advanced

568 pages

14h 19m

English

Packt Publishing

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What this book covers

Downloading the example codeDownloading the color images of this bookErrataPiracyQuestions
What is MVVM and how does it help?ModelsView ModelsViewsData bindingSo how does MVVM help?Is there a downside?
Introducing the ICommand interfaceHandling events in Attached PropertiesMaking use of delegates
Utilizing the Output window
Outputting values to UI controlsCatching changing Dependency Property valuesExploiting converters
What is an application framework?
In base classesThrough interfacesWith Extension methodsIn UI controlsWith converters
Implementing Dependency InjectionConnecting Views with View Models
Data binding basicsBinding path syntaxEscaping invalid charactersExploring the Binding classDirecting data bound trafficBinding to different sourcesBinding with priorityBinding from within control templatesBinding source changesConverting data bound valuesBinding multiple sources to a single target property
Setting metadataDeclaring read-only Dependency PropertiesRegistering Attached PropertiesPrioritizing value setting sources
Taking complete controlDisplaying hierarchical data
Investigating the built-in controlsInheriting framework abilitiesLaying it on the lineContaining controlsCanvasDockPanelGridStackPanelUniformGridWrapPanelProviding custom layout behaviorContent controlsPresenting contentItems controlsAdorners
StylingBeing resourcefulMerging resourcesTriggering changesTemplating controlsAttaching properties
Investigating timelines
Controlling storyboards
Styling applications consistentlyOverriding default control stylesUsing professional icons
Throwing shadowsDeclaring multiple bordersReusing composite visualsReflecting lightCreating glowing effectsPutting it all together
Casting reflectionsExploring borderless windowsVisualizing dataLivening up UI controls
Using validation rules - To do or not to do?
Implementing the IDataErrorInfo interfaceIntroducing the INotifyDataErrorInfo interface
Providing user feedback
Discovering the Async and Await keywordsBuilding asynchrony into our framework
Producing in-application helpEnabling user preferencesExtending common courtesiesUn-burdening the end user
Leveraging the power of hardware rendering
Freezing objects
Drawing conclusionsImaging more efficientlyEnhancing the performance of textual outputLiking the linking
Registering Dependency PropertiesBinding to collections
Installing Windows applications
Securing deploymentsIsolating storage
Turning attention to future projectsImproving our application frameworkLogging errorsUsing online resources

Content preview from Mastering Windows Presentation Foundation

Chapter 4. Becoming Proficient with Data Binding

In this chapter, we'll investigate the data binding syntax that is used to connect our data sources to our UI controls. We'll examine how to declare Dependency Properties, along with all of the various options that we have when doing that. We'll find out about the scope of declared bindings and unravel the finer details of data templates. Let's start at the beginning.

It is the data binding in the WPF that enables it to work so well with the MVVM pattern. It provides the connection for two-way communication between the View and the View Models components. Yet this abstraction can often lead to confusion and make tracking down problems more difficult than when using traditional methods of UI to business ...