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Legend:

• all = Available for all platforms (PCL)
• SL = Silverlight 5
• WinRT = Windows 8.1 and Windows Phone 8.1 (PCL library for W8.1 and WP8.1 WinRT)
• UWP = Universal Windows Platform (Windows 10)
• WP7SL = Windows Phone 7 Silverlight
• WP8SL = Windows Phone 8 Silverlight
• WPF = .NET 4.5 (WPF)
• WP = WP7SL and WP8SL

Most popular: YouTube, Http, Paging, ObservableCollectionView, ...

MVVM (Model-View-ViewModel)

Package: MyToolkit

MVVM Overview

View models

• ViewModelBase (all), view model base class which implements ObservableObject and provides a loading property and life cycle methods
• ViewModelHelper (all): Contains helper methods to correctly wire up view models to views or the Windows Phone progress bar.

Data modelling

• ObservableObject (all), INotifyPropertyChanged implementation to simplify observable model implementation
• GraphObservableObject (all), observable object with child tracking and property changed event with old and new value
• UndoRedoManager (all), transparent undo/redo implementation based on a graph of observable objects

Commands (ICommand implementations)

• RelayCommand (all), an ICommand implementation which takes an action and a predicate to run its logic
• AsyncRelayCommand (all), an ICommand implementation which takes a task returning function and a predicate to run its logic
• CommandBase (all), observable abstract ICommand base implementation

Messaging / messenger pattern

• Messenger (all), implementation of the messenger pattern to use with MVVM
• CallbackMessage (all), base message class with a result callback
• TextMessage (all)

The article "Recommendations and best practices for implementing MVVM and XAML/.NET applications" explains how to use the MVVM classes.

Collections

Package: MyToolkit

• AlphaGroupCollection, groups multiple items into groups of their first letter of ToString() (used for the LongListSelector control)
• BlockingQueue, thread safe blocking queue to use in a multi-threaded producer-consumer scenario
• ExtendedGroup
• MtObservableCollection (all), extended observable collection which exposes the PropertyChanged event and a AddRange method; the ExtendedCollectionChanged event provides always provides a correct list of added and removed items.
• Group
• ObservableCollectionView (all), wrapper for observable collections which provides a view on the collection with filtering and sorting
• ObservableDictionary
• ObservableCollectionObserver
• ObservableGroupCollection
• QueryObservableCollectionView (all), an observable collection view where you can provide a LINQ query for live sorting and filtering a collection

Composition & Dependency Injection

Package: MyToolkit

• CompositionContext, dependency injection container with support for property and constructor injection.
• ServiceLocator, service locator to access service implementations in a decoupled way.

Paging & navigation

Package: MyToolkit.Extended

Paging Overview: Improved frame and page classes for Universal and Windows Phone Silverlight apps.

Universal apps (W8.1, WP8.1 and UWP)

• MtApplication
• MtFrame
• MtPage
• MtSuspensionManager
• Also see HamburgerFrameFactory to use the Hamburger control with the MtFrame

Windows Phone Silverlight

• AnimatedPage (WP) Provides better page animations than the Windows Phone Toolkit
• ExtendedPage (WP, WinRT)
• BindableApplicationBar (WP), application bar with bindable properties

Networking

Package: MyToolkit.Http and MyToolkit.Extended Http (all),

• HTTP class with GZIP, POST FILE, POST form, authentication and timeout support.
• WakeOnLan (WP, WinRT), class to send Wake-On-Lan (WOL) magic packets to devices
• ClientBaseExtensions (WPF) used to authenticate an ASP.NET authenticated WCF service

XAML controls

Package: MyToolkit.Extended

• DatePicker (WinRT) (only functionality, not user friendly, need better control)
• DataGrid (WinRT)
• ExtendedListPicker (WP), added TypedSelectedItems property which can be bound to ObservableCollection<T> not only ObservableCollection<object>
• PivotExtensions (WP only): Attached property to disable the automatic margin on WP Pivot control.
• Hamburger (UWP only): A hamburger control
• HtmlView/ScrollableHtmlView (WP, WinRT): Render HTML with native controls for better performance then with a WebControl/WebView
• ImageButton (WinRT), has Content, ContentPressed and IsTiltEnabled properties. Use these Content properties to set the vectorized image (eg generated by Metro Studio).
• LongListSelector (WinRT): Native looking long list selector for Windows Phone (WinRT)
• MtGridView (WinRT): GridView with scrolling and scrolled to end event and other features
• MtListBox (WP, WinRT): ListBox with scrolling and scrolled to end event, InnerMargin, and other features
• MtPivot (WinRT)
• NativeLongListSelector (WP): Native looking/correctly styled LongListSelector which correctly works on WP7 and WP8.
• NavigationList (WP, WinRT): ListBox with navigation event (with navigation item parameter)
• PanAndZoomImage (WP)
• PanAndZoomViewer (WP)
• ScrollableItemsControl: Use this class instead of ListBox if you don't need support for selected item.
• TextButton (WinRT), shows an icon (specified by Segue UI character) and a header
• TimePicker (WinRT) (only functionality, not user friendly, need better control)
• WatermarkedTextBox (SL, WP, WinRT): TextBox with watermark
• YouTubeButton, see YouTube (WP, WinRT): Button with YouTube video preview and logic to play YouTube

XAML converters

Package: MyToolkit.Extended

• ChainedConverter
• ColorConverter (converts the object to string, color or brush)
• DateTimeConverter (parameters: dayAbbreviated, day, date, time, timeWithoutSeconds)
• EqualityConverter
• NotConverter
• NumberConverter (converts the object to the requested numeric type, bool to 0/1)
• TimeSpanConverter (parameters comma-seperated: days, plain, seconds)
• TruncateConverter (truncates string to maximum length in parameter)
• TypeVisibilityConverter (visible if type name in parameter matches with type of object)
• UpperTextConverter
• VisibilityConverter (visible if not null, list not empty, integer > 0, bool is true)

User interface extensions and helpers

Package: MyToolkit.Extended

• VisibilityManger (WinRT), shows and hides XAML controls depending on the screen width (useful for Windows Store apps to support the various screen states, portrait, landscape, snapped, etc.)
• TextBinding (WP) provides an attached property to allow immediate updated text bindings to the TextBox and PasswordBox controls
• Popups, helper classes to implement native looking popups in WP and WinRT
  • ListPickerBox popup (WP, WinRT), shows a list to choose multiple items from
  • InputBox popup (WP), shows a input prompt to enter a string
• TiltEffect (WinRT), tilt effect like in Windows Phone Toolkit for WinRT

Multimedia

Package: MyToolkit.Extended

• YouTube (WP, WinRT), play YouTube videos and get their MP4 links

Media

Package: MyToolkit.Extended

• ImageHelper (WP, WinRT) Provides an attached Source property for the Image control with better performance and support for AuthenticatedUri (URI with basic authentication credentials)

Animation

Package: MyToolkit.Extended

• Fading: Fading animation
• Flipping: Flipping animation

Serialization

Package: MyToolkit and MyToolkit.Extended

• DataContractSerialization (MyToolkit.Extended)
• XmlSerialization (MyToolkit)

Data

Package: MyToolkit

• CacheManager
• DataManagerBase
• UndoRedoManager

Storage

Package: MyToolkit and MyToolkit.Extended

• ApplicationSettings (PCL but WinRT, WPF and WP only), simple class to access application settings.
• StorageApplicationSettings, class to access application settings which are stored in files and use the DataContractSerializer or XmlSerializer.
• FileUtilities (WinRT, WP), WriteAllText(Async) and ReadAllText(Async) methods

Events

Package: MyToolkit (most) and MyToolkit.Extended

• EventUtilities
• SingleEvent (WP, SL, WinRT) register an event which is called only once and automatically deregistres itself (mainly used to register anonymous delegates)
• WeakEvent (WP, SL, WinRT) register weak events which are automatically deregistered if they are only referenced by callback target

Utilities

Package: MyToolkit (most) and MyToolkit.Extended

• CodeContractExtensions, extension methods for checking method parameters with Code Contract support.
• ColorUtilities, mix two colors, remove alpha from color, ToHex/FromHex
• DependencyPropertyChangedEvent (WP, WinRT) register a property changed event on a dependecy property.
• EnumerableExtensions, OrderByThenBy, DistinctBy, IsCopyOf, Shuffle, TakeRandom, MinObject, MaxObject, MiddleElements (for LINQ to objects)
• StringExtensions, EscapeUriString, RemoveHtmlTags, RemoveHtmlLinks, RemoveHtmlWhitespaces, ConvertHtmlCharacters
• StreamExtensions (WinRT, WP), ReadToEnd and ReadToEndAsync extension methods with IProgress support
• ToastNotificationHelper (WinRT), shows a notification toast (enable capability in manifest)

Workflow Engine

Package: MyToolkit

Workflow Overview

• WorkflowDefinition
• WorkflowActivityBase
• WorkflowInstance
• WorkflowDataBase

In development...

ASP.NET MVC

Package: MyToolkit.AspNet.Mvc

• CollectionEditorExtensions: Extension methods to implement an edit form for an entity with a sortable child collection (read this article for more information).
• Bootstrap: Extension method to generate Bootstrap elements