wpf代码实现StoryBoard播放多个动画
<Window x:Class="WpfApp04.TestWin15"
xmlns="schemas.microsoft/winfx/2006/xaml/presentation"
xmlns:x="schemas.microsoft/winfx/2006/xaml"
xmlns:d="schemas.microsoft/expression/blend/2008"
xmlns:mc="/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApp04"
mc:Ignorable="d"
Title="TestWin15" Height="450" Width="800">
<Grid Margin="6">
<Grid.RowDefinitions>
<RowDefinition Height="38"/>
<RowDefinition Height="38"/>
<RowDefinition Height="38"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition Width="60"/>
</Grid.ColumnDefinitions>
<Border BorderBrush="Gray" BorderThickness="1" Grid.Row="0">
<Ellipse x:Name="ballR" Height="36" Width="36" Fill="Red" HorizontalAlignment="Left">
<Ellipse.RenderTransform>
<TranslateTransform x:Name="ttR"/>
</Ellipse.RenderTransform>
</Ellipse>
</Border>
<Border BorderBrush="Gray" BorderThickness="1,0,1,1" Grid.Row="1">
<Ellipse x:Name="ballG" Height="36" Width="36" Fill="LawnGreen" HorizontalAlignment="Left">
<Ellipse.RenderTransform>
<TranslateTransform x:Name="ttG"/>
</Ellipse.RenderTransform>
</Ellipse>
</Border>
<Border BorderBrush="Gray" BorderThickness="1,0,1,1" Grid.Row="2">
<Ellipse x:Name="ballB" Height="36" Width="36" Fill="Blue" HorizontalAlignment="Left">
<Ellipse.RenderTransform>
<TranslateTransform x:Name="ttB"/>
</Ellipse.RenderTransform>
</Ellipse>
</Border>
<Button Content="Go!" Grid.Column="1" Grid.RowSpan="3" Click="Button_Click" />
</Grid>
</Window>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
htmlborderusing System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
namespace WpfApp04
{
/// <summary>
/// TestWin15.xaml 的交互逻辑
/// </summary>
public partial class TestWin15 : Window
{
public TestWin15()
{
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Duration duration = new Duration(TimeSpan.FromMilliseconds(600));
DoubleAnimation daRx = new DoubleAnimation();
daRx.Duration = duration;
daRx.To = 400;
DoubleAnimationUsingKeyFrames daGx = new DoubleAnimationUsingKeyFrames();
daGx.Duration = duration;
SplineDoubleKeyFrame kfG = new SplineDoubleKeyFrame(400, KeyTime.FromPercent(1.0));            kfG.KeySpline = new KeySpline(1, 0, 0, 1);
daGx.KeyFrames.Add(kfG);
DoubleAnimationUsingKeyFrames daBx = new DoubleAnimationUsingKeyFrames();
daBx.Duration = duration;
SplineDoubleKeyFrame kfB = new SplineDoubleKeyFrame(400, KeyTime.FromPercent(1.0));            kfB.KeySpline = new KeySpline(0, 1, 1, 0);
daBx.KeyFrames.Add(kfB);
Storyboard storyboard = new Storyboard();
Storyboard.SetTargetName(daRx, "ttR");
Storyboard.SetTargetProperty(daRx, new PropertyPath(TranslateTransform.XProperty));
Storyboard.SetTargetName(daGx, "ttG");
Storyboard.SetTargetProperty(daGx, new PropertyPath(TranslateTransform.XProperty));
Storyboard.SetTargetName(daBx, "ttB");
Storyboard.SetTargetProperty(daBx, new PropertyPath(TranslateTransform.XProperty));
storyboard.Duration = duration;
storyboard.Children.Add(daRx);
storyboard.Children.Add(daGx);
storyboard.Children.Add(daBx);
storyboard.Begin(this);
storyboard.Completed += (a, b) => { MessageBox.Show(ttR.X.ToString()); };
}
}
}

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