C# listView增删操作

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private void addButton_Click(object sender, EventArgs e)

{

     string item1Str = coutNumber.ToString(); //第一列文本

     string item2Str = coutNumber.ToString(); //第二列文本

     this .listView1.Items.Add( new ListViewItem( new string[] { item1Str, item2Str })); //添加一行

     coutNumber++; //listView的行数递增

}

private void delButton_Click(object sender, EventArgs e)

{

     foreach (ListViewItem item in listView1.Items)

     {

         if (listView1.SelectedItems.Contains(item))

         {

             int indexDel = listView1.Items.IndexOf(listView1.FocusedItem);

             if (listView1.SelectedItems.Count != 0 )

             {

                listView1.Items.RemoveAt(indexDel); //删除

             }

         }

     }

}