Understanding Dependency Properties
Dependency properties are a completely new implementation of properties—one that has a significant amount of added value. You need dependency properties to plug into core WPF features, such as animation, data binding, and styles.
Most of the properties that are exposed by WPF elements are dependency properties. In all the examples you've seen up to this point, you've been using dependency properties without realizing it. That's because dependency properties are designed to be consumed in the same way as normal properties.
However, dependency properties are not normal properties. It's comforting to think of a dependency property as a normal property (defined in the typical .NET fashion) with a set of WPF features ...
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