按钮触发时从屏幕边缘滑动的WPF应用程序

<Window x:Class="SlideAnimation.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Button Content="Slide In" HorizontalAlignment="Center" VerticalAlignment="Center" Click="Button_Click"/>
        <Rectangle x:Name="slideRect" Width="100" Height="100" Fill="Blue" HorizontalAlignment="Left" VerticalAlignment="Center" Opacity="0"/>
    </Grid>
</Window>

using Microsoft.Win32;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Animation;

namespace SlideAnimation
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            // 创建一个DoubleAnimation来改变矩形的位置
            DoubleAnimation animation = new DoubleAnimation
            {
                From = -100, // 从屏幕外开始
                To = 0,      // 滑动到屏幕内
                Duration = new Duration(TimeSpan.FromSeconds(1)) // 动画持续时间
            };

            // 设置动画的目标属性
            Storyboard.SetTarget(animation, slideRect);
            Storyboard.SetTargetProperty(animation, new PropertyPath("(FrameworkElement.RenderTransform).(TranslateTransform.X)"));

            // 创建一个Storyboard并添加动画
            Storyboard storyboard = new Storyboard();
            storyboard.Children.Add(animation);

            // 开始动画
            storyboard.Begin();
        }
    }
}