C# 容器上控件排序

public static class Sort
    {

        #region 设置PanelControl上按钮显示位置
        /// <summary>
        /// 设置按钮显示位置
        /// </summary>
        /// <param name="targetPanel">需要调整按钮顺序的Panel</param>
        /// <param name="buttonSpace">按钮间隔</param>
        public static void SetButtonCenter(ScrollableControl targetPanel, int buttonSpace)
        {
            int length = 0;
            int maxHeight = 0;
            List<Control> listBtn = new List<Control>();
            System.Windows.Forms.Control.ControlCollection c = targetPanel.Controls;
            foreach (Control btn in c)
            {
                listBtn.Add(btn);
                length += btn.Width + buttonSpace;
                if (maxHeight < btn.Height)//获取最大高度
                {
                    maxHeight = btn.Height;
                }
            }
            int pnlLength = targetPanel.Width;
            if (length > pnlLength) //本身按钮的长度总和大于了panel的长度，不调整
            {
                return;
            }
            int startPos = ((pnlLength - length) / 2);
            int yPos = 0;
            if (maxHeight < targetPanel.Height)
            {
                yPos = (targetPanel.Height - maxHeight) / 2;//距离panel上边框的距离
            }
            else
            {
                yPos = targetPanel.Height / 10;//距离panel上边框的距离
            }
            int xPos = startPos;
            listBtn.Sort(new ButtonSort());
            foreach (Control btn in listBtn)
            {
                btn.Location = new System.Drawing.Point(xPos, yPos);
                xPos += btn.Width + buttonSpace;
            }
        }
        #endregion 

        #region 设置Control上按钮显示位置
        /// <summary>
        /// 设置按钮显示位置
        /// </summary>
        /// <param name="container">需要调整按钮顺序的容器控件</param>
        /// <param name="buttonSpace">按钮间隔</param>
        public static void SetButtonCenter(Control container, int buttonSpace)
        {
            int length = 0;
            int maxHeight = 0;
            List<Control> listControl = new List<Control>();
            System.Windows.Forms.Control.ControlCollection c = container.Controls;
            foreach (Control btn in c)
            {
                listControl.Add(btn);
                length += btn.Width + buttonSpace;
                if (maxHeight < btn.Height)//获取最大高度
                {
                    maxHeight = btn.Height;
                }
            }
            int pnlLength = container.Width;
            if (length > pnlLength) //本身按钮的长度总和大于了panel的长度，不调整
            {
                return;
            }
            int startPos = ((pnlLength - length) / 2);
            int yPos = 0;
            if (maxHeight < container.Height)
            {
                yPos = (container.Height - maxHeight) / 2;//距离panel上边框的距离
            }
            else
            {
                yPos = container.Height / 10;//距离panel上边框的距离
            }
            int xPos = startPos;
            listControl.Sort(new ButtonSort());
            foreach (Control btn in listControl)
            {
                btn.Location = new System.Drawing.Point(xPos, yPos);
                xPos += btn.Width + buttonSpace;
            }
        }
        #endregion 

    }

 public class ButtonSort : IComparer<Control>
    {
        #region IComparer<Button> Members
        //IComparer<T> 接口:定义类型为比较两个对象而实现的方法。
        public int Compare(Control x, Control y)
        {
            if (x.TabIndex >= y.TabIndex)
            {
                return 1;
            }
            else
            {
                return -1;
            }
        }
        #endregion
    }