WPF 中的鼠标悬停事件

xaml
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Mouse Hover Example" Height="350" Width="525">
    
                        MouseEnter="Button_MouseEnter" MouseLeave="Button_MouseLeave"/>
    

csharp
using System.Windows;
using System.Windows.Media;
namespace MouseHoverExample
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
        private void Button_MouseEnter(object sender, System.Windows.Input.MouseEventArgs e)
        {
            Button button = (Button)sender;
            button.Background = Brushes.LightBlue;
        }
        private void Button_MouseLeave(object sender, System.Windows.Input.MouseEventArgs e)
        {
            Button button = (Button)sender;
            button.Background = Brushes.LightGray;
        }
    }
}