<Window x:Class="WpfApplication1.MainWindow"        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"        Title="MainWindow" Height="521.082" Width="525">    <Grid Name="grid">        <Line Name="line" X1="10" Y1="10" X2="100" Y2="100" Stroke="Black" VerticalAlignment="Center"></Line>        <Ellipse Name="ellipse" Fill="Red" HorizontalAlignment="Left" Height="112" Margin="187,66,0,0" Stroke="Black" VerticalAlignment="Top" Width="167"/>        <Button Content="Button" HorizontalAlignment="Left" Margin="53,73,0,0" VerticalAlignment="Top" Width="75" Click="Button_Click_1"/>        <Canvas HorizontalAlignment="Left" Height="156" Margin="189,313,0,0" VerticalAlignment="Top" Width="158">            <Ellipse Height="100" Canvas.Left="31" Stroke="Black" Canvas.Top="29" Width="100"/>        </Canvas>        <Path Stroke="Red" StrokeThickness="5" Data="M30,30 Q 60,30 30,90"></Path>        <Polygon Stroke="Blue" StrokeThickness="4" Points="40,100 80,120 60,160">            <Polygon.Fill>                <SolidColorBrush Color="Yellow"></SolidColorBrush>            </Polygon.Fill>        </Polygon>        <Canvas Width="100" Height="100">            <Ellipse Fill="Yellow" Stroke="Black"                    StrokeThickness="7"                    Width="100" Height="100"></Ellipse>            <Ellipse Fill="Black" Width="10" Height="15"                     Canvas.Left="28" Canvas.Top="28"></Ellipse>            <Ellipse Fill="Black" x:Name="myEllipse"                     Width="10" Height="15"                     Canvas.Left="62" Canvas.Top="28"></Ellipse>            <Path Stroke="Black" StrokeThickness="6" Data="M30,60 Q 50,90 70,60"></Path>        </Canvas>    </Grid></Window>

using System;using System.Collections.Generic;using System.Linq;using System.Text;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.Imaging;using System.Windows.Navigation;using System.Windows.Shapes;namespace WpfApplication1{    /// <summary>    /// MainWindow.xaml 的交互逻辑    /// </summary>    public partial class MainWindow : Window    {        public MainWindow()        {            InitializeComponent();        }        private void Button_Click_1(object sender, RoutedEventArgs e)        {            Line l1 = new Line();            l1.X1 = 100;            l1.Y1 = 100;            l1.X2 = 500;            l1.Y2 = 100;            l1.Stroke = new SolidColorBrush(Color.FromRgb(0,0,225));            l1.StrokeThickness = 2;            grid.Children.Add(l1);            ellipse.Height = 218;                    }    }}