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Model–view–viewmodel (MVVM) is an architectural pattern in computer software that facilitates the separation of the development of a graphical user interface (GUI; the view)—be it via a markup language or GUI code—from the development of the business logic or back-end logic (the model) such that the view is not dependent upon any ...
In WPF, screens and other UI elements are defined using a pair of files: a XAML file and an associated C# file with the extension .xaml.cs, often referred to as a "code-behind". The XAML file declaratively defines the layout, contents and other properties of the UI element, while the C# file allows exposure of code entry points for interactivity.
Avalonia is a free and open-source [3] [4].NET cross-platform XAML-based UI framework [5] inspired by WPF/UWP and distributed under the MIT License. [6] [7] [8] Avalonia supports the MVVM pattern.
In 2006, Microsoft began incorporating MVP into its documentation and examples for user interface programming in the .NET Framework. [5] [6] The evolution and multiple variants of the MVP pattern, including the relationship of MVP to other design patterns such as MVC, is discussed in detail in an article by Martin Fowler [7] and another by ...
In WPF, XAML describes visual user interfaces. WPF allows for the definition of both 2D and 3D objects, rotations, animations, and a variety of other effects and features. A XAML file can be compiled into a Binary Application Markup Language (BAML) file, [5] [6] which may be inserted as a resource into a .NET Framework assembly. At run-time ...
For example, if an Account object has a PhoneNumber property, and that property is assigned a phone number with alphabetic characters, the Account object's IsValid property will become false (making it impossible to save to the database) and then a new BrokenRule object will be created and assigned to the Account's Broken Rules collection. The ...
Silverlight code runs in a sandbox, thus preventing the invocation of platform APIs. [6] Silverlight 2 Architecture. The version of .NET Framework in Silverlight adds [1] a subset of Windows Presentation Foundation (WPF) UI-programming model, including
It can be used as a simple component framework (for example, to create dynamic grids on otherwise static pages) but also as a full framework for building single-page applications (SPAs). Originally built as an add-on library extension [ 3 ] of YUI by Jack Slocum on April 15, 2007, [ 4 ] Ext JS has had no dependencies on external libraries ...