Timeline.GetNaturalDurationCore Method

Returns the length of a single iteration of this Timeline. This method provides the implementation for GetNaturalDuration.

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

protected virtual Duration GetNaturalDurationCore(
	Clock clock
)

Parameters

clock
Type: System.Windows.Media.Animation.Clock
The Clock that was created for this Timeline.

Return Value

Type: System.Windows.Duration
The length of a single iteration of this Timeline, or Automatic if the natural duration is unknown.

This method provides the implementation for GetNaturalDuration and should not be called directly from your code. Use GetNaturalDuration instead.

Notes to Implementers

This method should be implemented by timeline classes that need to provide a custom natural Duration when the Duration property is set to Automatic. If the author cannot determine the natural duration, this method should return Automatic.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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