private void BT_all_Click(object sender, EventArgs e) { for (int i = 0; i < CLB_changjia.Items.Count; i++) { CLB_changjia.SetItemChecked(i, true); } }
private void BT_over_Click(object sender, EventArgs e) { for (int i = 0; i < CLB_changjia.Items.Count; i++) { if (CLB_changjia.GetItemChecked(i)) { CLB_changjia.SetItemChecked(i, false); } else { CLB_changjia.SetItemChecked(i, true); } } }