Artigo
11/18/2011

TimelineMarkerRoutedEventArgs Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Provides event data for the MarkerReached event.

Inheritance Hierarchy

System.Object
  System.EventArgs
    System.Windows.RoutedEventArgs
      System.Windows.Media.TimelineMarkerRoutedEventArgs

Namespace: System.Windows.Media
Assembly: System.Windows (in System.Windows.dll)

Syntax

'Declaration
Public NotInheritable Class TimelineMarkerRoutedEventArgs _
    Inherits RoutedEventArgs

public sealed class TimelineMarkerRoutedEventArgs : RoutedEventArgs

The TimelineMarkerRoutedEventArgs type exposes the following members.

Constructors

	Name	Description
	TimelineMarkerRoutedEventArgs	Initializes a new instance of the TimelineMarkerRoutedEventArgs class.

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Properties

	Name	Description
	Marker	Gets the TimelineMarker that triggered this event.
	OriginalSource	Gets a reference to the object that raised the event. (Inherited from RoutedEventArgs.)

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Methods

	Name	Description
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Examples

The following example creates a MediaElement object and responds to its MarkerReached event. Each time a timeline marker is reached, the example displays the timeline marker's Time, Type, and Text values.

Run this sample

<StackPanel Margin="40">
  <StackPanel Orientation="Horizontal">
    <TextBlock FontSize="12" Foreground="DarkGray">Time:</TextBlock>
      <TextBlock x:Name="timeTextBlock" FontSize="12" />   
  </StackPanel>
  <StackPanel Orientation="Horizontal">
    <TextBlock FontSize="12" Foreground="DarkGray">Type:</TextBlock>
    <TextBlock x:Name="typeTextBlock" FontSize="12" />
  </StackPanel>
  <StackPanel Orientation="Horizontal">
    <TextBlock FontSize="12" Foreground="DarkGray">Value:</TextBlock>
    <TextBlock x:Name="valueTextBlock" FontSize="12" />
  </StackPanel>

  <!-- The MediaElement has the MarkerReached event attached. -->
  <MediaElement MarkerReached="OnMarkerReached" HorizontalAlignment="Left"
   Source="thebutterflyandthebear.wmv" Width="300" Height="200" />

</StackPanel>

public void OnMarkerReached(object sender, TimelineMarkerRoutedEventArgs e)
{
    timeTextBlock.Text = e.Marker.Time.Seconds.ToString();
    typeTextBlock.Text = e.Marker.Type.ToString();
    valueTextBlock.Text = e.Marker.Text.ToString();
}

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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