Class Timeline

Defines a segment of time.

Inheritance
System.Object
DependencyObject
Timeline
AnimationTimeline
Storyboard
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: System.Windows.Media.Animation
Assembly: OpenSilver.dll
Syntax
public abstract class Timeline : DependencyObject, IDependencyObject

Constructors

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Timeline()

Initializes a new instance of the Timeline class.

Declaration
protected Timeline()

Fields

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AutoReverseProperty

Identifies the AutoReverse dependency property.

Declaration
[NotImplemented]
public static readonly DependencyProperty AutoReverseProperty
Field Value
Type Description
DependencyProperty
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BeginTimeProperty

Identifies the BeginTime dependency property.

Declaration
public static readonly DependencyProperty BeginTimeProperty
Field Value
Type Description
DependencyProperty
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DurationProperty

Identifies the Duration dependency property.

Declaration
public static readonly DependencyProperty DurationProperty
Field Value
Type Description
DependencyProperty
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FillBehaviorProperty

Identifies the FillBehavior dependency property.

Declaration
[NotImplemented]
public static readonly DependencyProperty FillBehaviorProperty
Field Value
Type Description
DependencyProperty
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RepeatBehaviorProperty

Identifies the RepeatBehavior dependency property.

Declaration
public static readonly DependencyProperty RepeatBehaviorProperty
Field Value
Type Description
DependencyProperty
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SpeedRatioProperty

Identifies for the SpeedRatio dependency property.

Declaration
[NotImplemented]
public static readonly DependencyProperty SpeedRatioProperty
Field Value
Type Description
DependencyProperty

Properties

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AutoReverse

Gets or sets a value that indicates whether the timeline plays in reverse after it completes a forward iteration.

Declaration
[NotImplemented]
public bool AutoReverse { get; set; }
Property Value
Type Description
System.Boolean

true if the timeline plays in reverse at the end of each iteration; otherwise, false. The default value is false.
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BeginTime

Gets or sets the time at which this Timeline should begin.

Declaration
public TimeSpan? BeginTime { get; set; }
Property Value
Type Description
System.Nullable<System.TimeSpan>

The start time of the time line. The default value is zero.
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Duration

Gets or sets the length of time for which this timeline plays, not counting repetitions.

Declaration
public Duration Duration { get; set; }
Property Value
Type Description
Duration

The timeline's simple duration: the amount of time this timeline takes to complete a single forward iteration. The default value is Automatic.
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FillBehavior

Gets or sets a value that specifies how the animation behaves after it reaches the end of its active period.

Declaration
[NotImplemented]
public FillBehavior FillBehavior { get; set; }
Property Value
Type Description
FillBehavior

A value that specifies how the timeline behaves after it reaches the end of its active period but its parent is inside its active or fill period. The default value is HoldEnd.
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RepeatBehavior

Gets or sets the repeating behavior of this timeline.

Declaration
public RepeatBehavior RepeatBehavior { get; set; }
Property Value
Type Description
RepeatBehavior

An iteration Count that specifies the number of times the timeline should play, a System.TimeSpan value that specifies the total length of this timeline's active period, or the special value Forever, which specifies that the timeline should repeat indefinitely. The default value is a RepeatBehavior with a Count of 1, which indicates that the timeline plays once.
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SpeedRatio

Gets or sets the rate, relative to its parent, at which time progresses for this Timeline.

Declaration
[NotImplemented]
public double SpeedRatio { get; set; }
Property Value
Type Description
System.Double

A finite value greater than 0 that specifies the rate at which time progresses for this timeline, relative to the speed of the timeline's parent. If this timeline is a root timeline, specifies the default timeline speed. The value is expressed as a factor where 1 represents normal speed, 2 is double speed, 0.5 is half speed, and so on. The default value is 1.

Methods

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GetNaturalDurationCore()

Implemented by the class author to provide a custom natural Duration in the case that the Duration property is set to Automatic. If the author cannot determine the Duration, this method should return Automatic.

Declaration
protected virtual Duration GetNaturalDurationCore()
Returns
Type Description
Duration

A Duration quantity representing the natural duration.

Events

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Completed

Occurs when the Storyboard object has completed playing.

Declaration
public event EventHandler Completed
Event Type
Type Description
System.EventHandler

Extension Methods