C# ListView中点击表头ColumnClick实现对相应列的排序

private void listView1_ColumnClick(object sender, ColumnClickEventArgs e)
        {
            if (listView1.Columns[e.Column].Tag == null)
            {
                listView1.Columns[e.Column].Tag = true;
            }
            bool tabK = (bool)listView1.Columns[e.Column].Tag;
            if (tabK)
            {
                listView1.Columns[e.Column].Tag = false;
            }
            else
            {
                listView1.Columns[e.Column].Tag = true;
            }
            listView1.ListViewItemSorter = new ListViewSort(e.Column, listView1.Columns[e.Column].Tag);
            //指定排序器并传送列索引与升序降序关键字
            listView1.Sort();//对列表进行自定义排序
        }

         //排序类的定义:

        ///
        ///自定义ListView控件排序函数
        ///
        public class ListViewSort : IComparer
        {
            private int col;
            private bool descK;

            public ListViewSort()
            {
                col = 0;
            }
            public ListViewSort(int column, object Desc)
            {
                descK = (bool)Desc;
                col = column; //当前列,0,1,2...,参数由ListView控件的ColumnClick事件传递
            }
            public int Compare(object x, object y)
            {
                int tempInt = String.Compare(((ListViewItem)x).SubItems[col].Text, ((ListViewItem)y).SubItems[col].Text);
                if (descK)
                {
                    return -tempInt;
                }
                else
                {
                    return tempInt;
                }
            }
        }