title: What is a Dependency Property and when is it used?
body: <blockquote>
  <p><strong>Possible Duplicate:</strong><br />
  <a href="https://stackoverflow.com/questions/617312/what-is-a-dependency-property">What is a dependency property?</a></p>
  </blockquote>
  
  <p>I have been browsing through the net to find the definition of a dependency prop, but cannot find the simplest def for this. Can anyone help me with an example?</p>