// 假设有一个按钮button1
button1.MouseHover += (sender, e) => {
    // 鼠标悬停在按钮上时执行的操作
    Console.WriteLine("鼠标悬停在按钮上");
};

// 检查鼠标是否在控件内
Point cursorPosition = Cursor.Position;
Point controlPosition = button1.PointToClient(cursorPosition);

if (button1.ClientRectangle.Contains(controlPosition))
{
    Console.WriteLine("鼠标在按钮区域内");
}

// XAML中
<Button x:Name="myButton" Content="Click Me"/>

// 代码中
if (myButton.IsMouseOver)
{
    Console.WriteLine("鼠标悬停在按钮上");
}

myButton.MouseEnter += (sender, e) => {
    // 鼠标进入按钮区域
    Console.WriteLine("鼠标进入按钮区域");
};

myButton.MouseLeave += (sender, e) => {
    // 鼠标离开按钮区域
    Console.WriteLine("鼠标离开按钮区域");
};

// WPF中的命中测试示例
protected override void OnMouseMove(MouseEventArgs e)
{
    base.OnMouseMove(e);
    
    // 获取鼠标位置
    Point mousePos = e.GetPosition(this);
    
    // 执行命中测试
    HitTestResult result = VisualTreeHelper.HitTest(this, mousePos);
    
    if (result != null && result.VisualHit is Button)
    {
        Console.WriteLine("鼠标悬停在按钮上");
    }
}