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Platform : WPF
Category : Concepts

What are Attached Properties and how to register it?

An "attached" property is a concept defined by Extensible Application Markup Language (XAML). It is intended to be used as a type of global property that can be set on any object. In Windows Presentation Foundation (WPF), attached properties are typically defined as specialized forms of dependency properties that do not have the conventional "wrapper" property.

This example shows how to ’register’ an attached property and provide public accessors so that you can use the property in both Extensible Application Markup Language (XAML) and code. Attached properties are a syntax concept defined by Extensible Application Markup Language (XAML). Most of the attached properties for WPF types are also implemented as dependency properties. You can use dependency properties on any ’DependencyObject’ types.

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