using System.Windows;
using System.Windows.Media.Animation;

namespace _15_动画基础_1修改按钮动画_P354;

/// <summary>
///     Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void ButtonAnimation_OnClick(object sender, RoutedEventArgs e)
    {
        var doubleAnimation = new DoubleAnimation
        {
            // 开始值
            From = 160,
            // 结束值
            To = Width - 30,
            // 增大10个单位，不使用To而是使用By
            // By = 10,
            // 翻转动画
            AutoReverse = true,
            // 比原来快5倍
            SpeedRatio = 5,
            // 持续2秒
            Duration = TimeSpan.FromSeconds(2),
            // 一直循环
            // RepeatBehavior = RepeatBehavior.Forever
            // 循环四次
            // RepeatBehavior = new RepeatBehavior(4)
            // 循环3秒
            RepeatBehavior = new RepeatBehavior(TimeSpan.FromSeconds(3))
        };
        ButtonAnimation.BeginAnimation(WidthProperty, doubleAnimation);
    }

    private void ButtonAnimation2_OnClick(object sender, RoutedEventArgs e)
    {
        var doubleAnimation = new DoubleAnimation
        {
            From = ButtonAnimation.ActualWidth,
            To = Width - 30,
            Duration = TimeSpan.FromSeconds(2)
        };
        ButtonAnimation.BeginAnimation(WidthProperty, doubleAnimation);
    }
}