MediaElement.NaturalDuration Property

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

Gets the duration of the media file currently opened.

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

Syntax

'Declaration
Public ReadOnly Property NaturalDuration As Duration
public Duration NaturalDuration { get; }

Property Value

Type: System.Windows.Duration
The natural duration of the media. The default value is Automatic, which is the value held if you query this property before MediaOpened.

Remarks

Dependency property identifier field: NaturalDurationProperty

The property value is not available until the MediaOpened event has been raised.

If the opened media is live streaming media that does not have a known duration, this property returns Automatic.

Once you have the Duration, you can get the specific time from the Duration.TimeSpan property value, calling TimeSpan members such as Seconds, etc.

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.