一个最基本的布局控件-panel

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace CarrouselPanel
{
    public class CarrouselPanel : Panel
    {
        public CarrouselPanel()
            : base()
        {
        }

        protected override Size ArrangeOverride(Size finalSize)
        {
            foreach (UIElement element in base.Children)
            {
                Point location = new Point();
                element.Arrange(new Rect(location, element.DesiredSize));
            }
            return finalSize;
        }

        protected override Size MeasureOverride(Size availableSize)
        {
            foreach (UIElement element in base.Children)
            {
                element.Measure(availableSize);
            }
            base.Clip = new RectangleGeometry { Rect = new Rect(new Point(), availableSize) };
            return availableSize;
        }
    }
}