private void Form1_Load(object sender, EventArgs e)
        {
            for (int i = 0; i < 10; i++)
                listView1.Items.Add(i + "");
        }

        //删除勾选复选框的项
        private void button1_Click(object sender, EventArgs e)
        {
            foreach(ListViewItem lvi in listView1.CheckedItems)
            {
                lvi.Remove();
            }
        }

------解决方案--------------------
C# code

            for (int i = listView1.Items.Count - 1; i >= 0; i--)
            {
                if (listView1.Items[i].Checked)
                    listView1.Items.RemoveAt(i);
            }

------解决方案--------------------
 listView1.Items.remove(lvi)