Chapters
Each RadMediaItem element can contain a number of chapters. A chapter is like a marker on the timeline of a movie, which can be used to jump to a specific moment in the movie. Each chapter has a Position and Content (RadMediaChapter derives from ContentControl) properties.
The Position property is of type TimeSpan and has to be defined like so:
"00:00:20" - jumps to the 20th sec. of the movie
"00:05:40" - jumps to the 5th min. and 40th sec. of the movie
The Content property is used to display some generic content when a certain chapter has been reached.
<telerik:RadMediaPlayer Width="600" Height="400" Margin="20">
<telerik:RadMediaItem
Source="http://mschnlnine.vo.llnwd.net/d1/ch9/7/1/5/1/2/4/DynamicsDuoCRMSilverlight_ch9.wmv"
Header="The Dynamics Duo talk about CRM and Silverlight">
<telerik:RadMediaChapter Position="00:05:00" Content="5 min. has elapsed" />
<telerik:RadMediaChapter Position="00:10:00" Content="10 min. has elapsed" />
<telerik:RadMediaChapter Position="00:15:00" Content="15 min. has elapsed" />
</telerik:RadMediaItem>
</telerik:RadMediaPlayer>