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FillBehavior, énumération
Spécifie la façon dont un Timeline se comporte lorsqu'il se trouve hors de sa période active alors que son parent se trouve dans sa période active ou de mise en attente.
Assembly : PresentationCore (dans PresentationCore.dll)
| Nom de membre | Description | |
|---|---|---|
| HoldEnd | Une fois la fin de sa période active atteinte, la chronologie maintient sa progression jusqu'à la fin de la période active et de mise en attente de son parent. | |
| Stop | La chronologie s'arrête si elle se trouve hors de sa période active alors que son parent se trouve dans sa période active. |
This example shows how to specify the FillBehavior for the inactive Timeline of an animated property.
The FillBehavior property of a Timeline determines what happens to the value of an animated property when it is not being animated, that is, when the Timeline is inactive but its parent Timeline is inside its active or hold period. For example, does an animated property remain at its end value after the animation ends or does it revert back to the value it had before the animation started?
The following example uses a DoubleAnimation to animate the Width of two rectangles. Each rectangle uses a different Timeline object.
One Timeline has a FillBehavior that is set to Stop, which causes the width of the rectangle to revert back to its non-animated value when the Timeline ends. The other Timeline has a FillBehavior of HoldEnd, which causes the width to remain at its end value when the Timeline ends.
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" > <StackPanel Margin="20"> <Border Background="#99FFFFFF"> <TextBlock Margin="20"> This example shows how the FillBehavior property determines how an animation behaves after it reaches the end of its duration. </TextBlock> </Border> <TextBlock>FillBehavior="Deactivate"</TextBlock> <Rectangle Name="deactiveAnimationRectangle" Width="20" Height="20" Fill="#AA3333FF" HorizontalAlignment="Left" > <Rectangle.Triggers> <EventTrigger RoutedEvent="Rectangle.Loaded"> <BeginStoryboard> <Storyboard> <!-- The animated rectangle's width reverts back to its non-animated value after the animation ends. --> <DoubleAnimation Storyboard.TargetName="deactiveAnimationRectangle" Storyboard.TargetProperty="Width" From="100" To="400" Duration="0:0:2" FillBehavior="Stop" /> </Storyboard> </BeginStoryboard> </EventTrigger> </Rectangle.Triggers> </Rectangle> <TextBlock Margin="0,20,0,0">FillBehavior="HoldEnd" </TextBlock> <Rectangle Name="holdEndAnimationRectangle" Width="20" Height="20" Fill="#AA3333FF" HorizontalAlignment="Left" > <Rectangle.Triggers> <EventTrigger RoutedEvent="Rectangle.Loaded"> <BeginStoryboard> <Storyboard> <!-- The animated rectangle's width remains at its end value after the animation ends. --> <DoubleAnimation Storyboard.TargetName="holdEndAnimationRectangle" Storyboard.TargetProperty="Width" From="100" To="400" Duration="0:0:2" FillBehavior="HoldEnd" /> </Storyboard> </BeginStoryboard> </EventTrigger> </Rectangle.Triggers> </Rectangle> </StackPanel> </Page>
For the complete sample, see Animation Example Gallery.
Windows 7, Windows Vista SP1 ou ultérieur, Windows XP SP3, Windows Server 2008 (installation minimale non prise en charge), Windows Server 2008 R2 (installation minimale prise en charge avec SP1 ou version ultérieure), Windows Server 2003 SP2
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