Timeline.Duration Property
Gets or sets the length of time for which this timeline plays, not counting repetitions. This is a dependency property.
Assembly: PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation
'Declaration Public Property Duration As Duration 'Usage Dim instance As Timeline Dim value As Duration value = instance.Duration instance.Duration = value
<object Duration="Duration" .../>
Property Value
Type: System.Windows.DurationThe timeline's simple duration: the amount of time this timeline takes to complete a single forward iteration. The default value is Automatic.
A timeline's simple duration constitutes the time for a single forward iteration versus the total play time, which includes repetitions.
Default Duration Behavior
The behavior of a Duration structure with a value of Automatic depends on the type of timeline:
ParallelTimeline and Storyboard are types of TimelineGroup objects. The duration of a TimelineGroup is determined by the duration of its child timelines. For example, the Storyboard below will run for six seconds (duration of 6 seconds) because that is when its last child Timeline (DoubleAnimation) ends.
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Note: code has been omitted from the following examples, which are provided for illustrative purposed only. |
[xaml]
...
<Storyboard>
<DoubleAnimation Duration="0:0:2" …/>
<DoubleAnimation Duration="0:0:4" BeginTime="0:0:2" …/>
</Storyboard>
...
Examples of <Type>Animations include DoubleAnimation, PointAnimation, ColorAnimation, etc. If no Duration is specified for these types of animations, they will run for one second.
[xaml]
...
<!-- With no Duration specified, this animation will run for
one second -->
<DoubleAnimation .../>
...
Examples of <Type>AnimationUsingKeyFrames include DoubleAnimationUsingKeyFrames, PointAnimationUsingKeyFrames, etc. If no Duration is specified for these types of animations they will run until all key frames are finished.
[xaml]
...
<Storyboard>
<!-- This key frame animation will end at 4.5 seconds
Because that is when its last KeyFrame KeyTime ends. -->
<DoubleAnimationUsingKeyFrames ...>
<LinearDoubleKeyFrame ... KeyTime="0:0:3" />
<DiscreteDoubleKeyFrame ... KeyTime="0:0:3.5" />
<DiscreteDoubleKeyFrame ... KeyTime="0:0:4" />
<DiscreteDoubleKeyFrame ... KeyTime="0:0:4.5" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
...
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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