Chapters gives you the ability to highlight key media content. Chapters are added to the a RadMediaItem object using its Items collection. In XAML RadMediaItem RadMediaChapter RadMediaItem Each chapter (which is a RadMediaChapter class) is defined with the following properties: Position - the exact time (in seconds) when the chapter begins Content - the content(title) of the chapter. ImageSource - url of the image with which the chapter is previewed in RadChaptersPresenter.

public class RadMediaChapter : ContentControl, 
	ISelectable

Public Class RadMediaChapter _
	Inherits ContentControl _
	Implements ISelectable