WPF动画之关键帧动画(2)

XAML代码：

1 <Window x:Class="关键帧动画.MainWindow"

2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

4         Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded">

5     <Grid>

6         <Border Height="32" Width="0" Background="#326939" Name="border1"/>

7     </Grid>

8 </Window>

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.CS代码：

 1 using System;

 2 using System.Windows;

 3 using System.Windows.Controls;

 4 using System.Windows.Media.Animation;

 5 

 6 namespace 关键帧动画

 7 {

 8     /// <summary>

 9     /// MainWindow.xaml 的交互逻辑

10     /// </summary>

11     public partial class MainWindow : Window

12     {

13         public MainWindow()

14         {

15             InitializeComponent();

16         }

17 

18         private void Window_Loaded(object sender, System.Windows.RoutedEventArgs e)

19         {

20             // 在此处添加事件处理程序实现。

21             DoubleAnimationUsingKeyFrames dak=new DoubleAnimationUsingKeyFrames();

22             dak.KeyFrames.Add(new LinearDoubleKeyFrame(0,KeyTime.FromTimeSpan(TimeSpan.FromSeconds(0))));

23             dak.KeyFrames.Add(new LinearDoubleKeyFrame(240,KeyTime.FromTimeSpan(TimeSpan.FromSeconds(3))));

24             dak.KeyFrames.Add(new LinearDoubleKeyFrame(240,KeyTime.FromTimeSpan(TimeSpan.FromSeconds(6))));

25             dak.KeyFrames.Add(new LinearDoubleKeyFrame(0,KeyTime.FromTimeSpan(TimeSpan.FromSeconds(9))));

26             dak.BeginTime=TimeSpan.FromSeconds(2);

27             dak.RepeatBehavior=new RepeatBehavior(2);

28             this.border1.BeginAnimation(Border.WidthProperty,dak);

29         }

30     }

31 }

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