Windows Presentation Foundation (or WPF) is a graphical subsystem for rendering user interfaces in Windows-based applications. WPF, previously known as "Avalon", was initially released as part of .NET Framework 3.0. Rather than relying on the older GDI subsystem, WPF utilizes DirectX. WPF attempts to provide a consistent programming model for building applications and provides a clear separation between the user interface and the business logic. As such, it bears a close resemblance to similar XML-oriented object models, such as those implemented in XUL and SVG.
WPF employs XAML, a derivative of XML, to define and link various UI elements.[1] WPF applications can be deployed as standalone desktop programs, or hosted as an embedded object in a website. It aims to unify a number of common user interface elements, such as 2D/3D rendering, fixed and adaptive documents, typography, vector graphics, runtime animation, and pre-rendered media. These elements can then be linked and manipulated based on various events, user interactions, and data bindings.
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