ToolClass.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PrizeDrawTool
{
    internal class ToolClass
    {
        //获取每个子项前面的编号
        public static int GetSingleItemOrderNum(object Item)
        {
            return Convert.ToInt32(((string)Item).Split('.', count:2)[0]);
        }

        //获取每个子项除去序号的内容
        public static string GetSingleItemWithoutOrder(object Item)
        {
            return ((string)Item).Split('\t', count: 2)[1];
        }

        //将ListBox按每个子项前面的编号升序排序
        public static void ListBoxItemsArrangeByOrder(ref ListBox lb)
        {
            int cnt;
            do
            {
                cnt = 0;
                for (int i = 0; i < lb.Items.Count - 1; i++)
                {
                    int a = ToolClass.GetSingleItemOrderNum(lb.Items[i]);
                    int b = ToolClass.GetSingleItemOrderNum(lb.Items[i + 1]);
                    if (a > b)
                    {
                        object temp = lb.Items[i];
                        lb.Items[i] = lb.Items[i + 1];
                        lb.Items[i + 1] = temp;
                        cnt++;
                    }
                }
            } while (cnt > 0);
        }
    }
}