WPF动画之关键帧动画(2)

XAML代码：

 <Window x:Class="关键帧动画.MainWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="MainWindow" Height="" Width="" Loaded="Window_Loaded">
     <Grid>
         <Border Height="" Width="" Background="#326939" Name="border1"/>
     </Grid>
 </Window>

.CS代码：

 using System;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media.Animation;

 namespace 关键帧动画
 {
     /// <summary>
     /// MainWindow.xaml 的交互逻辑
     /// </summary>
     public partial class MainWindow : Window
     {
         public MainWindow()
         {
             InitializeComponent();
         }

         private void Window_Loaded(object sender, System.Windows.RoutedEventArgs e)
         {
             // 在此处添加事件处理程序实现。
             DoubleAnimationUsingKeyFrames dak=new DoubleAnimationUsingKeyFrames();
             dak.KeyFrames.Add(new LinearDoubleKeyFrame(,KeyTime.FromTimeSpan(TimeSpan.FromSeconds())));
             dak.KeyFrames.Add(new LinearDoubleKeyFrame(,KeyTime.FromTimeSpan(TimeSpan.FromSeconds())));
             dak.KeyFrames.Add(new LinearDoubleKeyFrame(,KeyTime.FromTimeSpan(TimeSpan.FromSeconds())));
             dak.KeyFrames.Add(new LinearDoubleKeyFrame(,KeyTime.FromTimeSpan(TimeSpan.FromSeconds())));
             dak.BeginTime=TimeSpan.FromSeconds();
             dak.RepeatBehavior=new RepeatBehavior();
             this.border1.BeginAnimation(Border.WidthProperty,dak);
         }
     }
 }