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  • Property System in WPF

    DependencyObject :The base class for all objects that have dependency properties. This class must be inherited. [ Represents an object that participates in the dependency property system.]

    DependencyObject services and characteristics include the following:

    • Dependency property hosting support.
    • Attached property hosting support.
    • Get, set, and clear utility methods for values of any dependency properties that exist on the DependencyObject.
    • Metadata, coerce value support, property changed notification, and override callbacks for dependency properties or attached properties. Also, the DependencyObject class facilitates the per-owner property metadata for a dependency property.
    DependencyProperty:Represents a dependency property that is registered with the Windows Presentation Foundation (WPF) property system. Dependency properties provide support for value expressions, property invalidation and dependent-value coercion, default values, inheritance, data binding, animation, property change notification, and styling.
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  • 原文地址:https://www.cnblogs.com/whyandinside/p/1557425.html
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