WPF动画之线性插值动画(1)

XAML代码：

 <Window x:Class="线性插值动画.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>
         <TextBlock Width="" Height="" Foreground="#326939" FontSize="" Name="textBlock1" Text="文字渐变效果"/>
     </Grid>
 </Window>

.CS代码：

 using System;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media.Animation;
 namespace 线性插值动画
 {
     /// <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。
             DoubleAnimation da=new DoubleAnimation();
             da.From=;
             da.To=;
             da.Duration=TimeSpan.FromSeconds();
             this.textBlock1.BeginAnimation(TextBlock.OpacityProperty,da);
        }
     }
 }