private void StopRecBtn_Click(object sender, EventArgs e) { foreach (ListViewItem item in listView1.CheckedItems) { //关闭录像 string IPChannel = item.Tag.ToString(); string RecType = item.SubItems[3].Text; switch (RecType) { case "手动录像": ManualRec.StopRec(item.Tag.ToString()); break; case "自动录像": AutoRec.StopRec(item.Tag.ToString()); break; case "报警录像": break; } //移除录像信息 listView1.Items.Remove(item); } }