<Window x:Class="路径动画.MainWindow"

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

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

         Title="MainWindow" Height="" Width="">

     <Window.Resources>

         <!--路径资源-->

         <PathGeometry x:Key="path">

             <PathFigure IsClosed="True">

                 <ArcSegment Point="200,200" Size="30,10" SweepDirection="Clockwise"></ArcSegment>

                 <ArcSegment Point="300,200" Size="5,5"></ArcSegment>

             </PathFigure>

         </PathGeometry>

     </Window.Resources>

     <!---事件触发器，窗体加载时动画开始，周期6秒，无限循环-->

     <Window.Triggers>

         <EventTrigger RoutedEvent="Window.Loaded">

             <BeginStoryboard>

                 <Storyboard>

                     <DoubleAnimationUsingPath Storyboard.TargetName="image" Storyboard.TargetProperty="(Canvas.Left)"

                      PathGeometry="{StaticResource path}" Duration="0:0:6" RepeatBehavior="Forever" Source="X"></DoubleAnimationUsingPath>

                     <DoubleAnimationUsingPath Storyboard.TargetName="image" Storyboard.TargetProperty="(Canvas.Top)"

                      PathGeometry="{StaticResource path}" Duration="0:0:6" RepeatBehavior="Forever" Source="Y"></DoubleAnimationUsingPath>

                 </Storyboard>

             </BeginStoryboard>

         </EventTrigger>

     </Window.Triggers>

     <Canvas>

         <!--显示路径-->

         <Path Margin="" Stroke="#ddd" Data="{StaticResource path}"></Path>

         <!--动画元素-->

         <Image Name="image" Source="123.png" Width="" Height="" />

     </Canvas>

 </Window>

 using System.Windows;

 namespace 路径动画

 {

     /// <summary>

     /// MainWindow.xaml 的交互逻辑

     /// </summary>

     public partial class MainWindow : Window

     {

         public MainWindow()

         {

             InitializeComponent();

         }

     }

 }