WPF test animation robot(simulate blink,mouse talk)

WPF 动画，模拟机器人眨眼，说话。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace WpfApplication9
{
    /// <summary>
    /// Interaction logic for RobotWindow.xaml
    /// </summary>
    public partial class RobotWindow : Window
    {
        public RobotWindow()
        {
            InitializeComponent();
            sbTalk = Resources["sbTalk"] as Storyboard;
            aTalk = sbTalk.Children[0] as DoubleAnimation;

            sbEyeBlink = Resources["sbEyeBlink"] as Storyboard;

            TestDisplay();
        }

        Storyboard sbTalk;
        DoubleAnimation aTalk;
        Storyboard sbEyeBlink;

        Random rnd = new Random();

        void TestDisplay()
        {

            Talk();
            EyeBlink();

        }

        /// <summary>
        /// 随机眨眼
        /// </summary>
        void EyeBlink()
        {
            Task.Run(() =>
            {
                while (true)
                {
                    Thread.Sleep(1000* rnd.Next(1,5));
                    Dispatcher.Invoke(() =>
                    {
                        sbEyeBlink.Begin();

                    });

                }

            });

        }
        /// <summary>
        /// 说话
        /// </summary>
        void Talk() {
            Task.Run(() =>
            {
                while (true)
                {
                    Thread.Sleep(600);
                    Dispatcher.Invoke(() =>
                    {
                        aTalk.From = 0;
                        aTalk.To = rnd.NextDouble();
                        sbTalk.Begin();

                    });

                }

            });

        }

    }
}

UI:

<Window x:Class="WpfApplication9.RobotWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="RobotWindow" Height="377" Width="535">
    <Window.Resources>
        <Storyboard x:Key="sbTalk">
            <DoubleAnimation AutoReverse="True" Duration="0:0:0.3" To="1" Storyboard.TargetName="t1" Storyboard.TargetProperty="ScaleY" />
        </Storyboard>

        <Storyboard x:Key="sbEyeBlink">
            <DoubleAnimation  AutoReverse="True" Duration="0:0:0.3" To="0" Storyboard.TargetName="eye1" Storyboard.TargetProperty="ScaleY" />
            <DoubleAnimation  AutoReverse="True" Duration="0:0:0.3" To="0" Storyboard.TargetName="eye2" Storyboard.TargetProperty="ScaleY" />
        </Storyboard>

    </Window.Resources>
    <Grid>
        <Grid Margin="0,32,74,0" HorizontalAlignment="Right" Width="388" Height="270" VerticalAlignment="Top">

            <Ellipse Name="Head" Width="245" Height="235" Stroke="#FFCDCDC2" StrokeThickness="4"
                 Fill="#FFFBEDF3" HorizontalAlignment="Center"  Margin="22,10,25,0"  VerticalAlignment="Top" RenderTransformOrigin="0.5,0.5" >

            </Ellipse>
            <Ellipse Name="lEye" Width="64" Stroke="#FFCDCDC2" StrokeThickness="4"
                 Fill="#FFCDCDC2" HorizontalAlignment="Center"  Margin="97,100,227,0" RenderTransformOrigin="0.5,0.5" Height="44" VerticalAlignment="Top" >
                <Ellipse.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform x:Name="eye1" ScaleY="1"/>
                        <SkewTransform/>
                        <TranslateTransform/>
                    </TransformGroup>
                </Ellipse.RenderTransform>
            </Ellipse>
            <Ellipse Name="rEye" Width="64" Stroke="#FFCDCDC2" StrokeThickness="4"
                 Fill="#FFCDCDC2" HorizontalAlignment="Center"  Margin="220,100,104,0" RenderTransformOrigin="0.5,0.5" Height="44" VerticalAlignment="Top" >
                <Ellipse.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform x:Name="eye2" ScaleY="1"/>
                        <SkewTransform/>
                        <TranslateTransform/>
                    </TransformGroup>
                </Ellipse.RenderTransform>
            </Ellipse>

            <Ellipse Name="mouse" Width="100" Height="58" Stroke="Yellow" StrokeThickness="4"
                 Fill="#FFE2055F" HorizontalAlignment="Center"  Margin="96,151,96,61"  VerticalAlignment="Center" RenderTransformOrigin="0.5,0.5" >
                <Ellipse.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform x:Name="t1" ScaleY="0.1"/>
                        <SkewTransform/>
                        <TranslateTransform/>
                    </TransformGroup>
                </Ellipse.RenderTransform>
            </Ellipse>
        </Grid>
    </Grid>
</Window>