 or user instructions. The most relevant part of this
    						example is that the Silverlight author declares a handler for the event MarkerReached.
    						This event fires potentially hundreds of times, once for each caption
    						in the stream. Each time the event fires, the event handler runs and
    						adds the text to the dedicated TextBox in the user
    						interface. </p>
            <pre xml:space="preserve">&lt;UserControl x:Class="MediaTimelineMarkers.MainPage"
   xmlns="http://sche