private void butDel_Click(object sender, EventArgs e) { try { if (txtQueueName.Tag == null) { MessageBox.Show("请选择需要删除的队列信息。", "提示"); return; } //弹出删除确认窗口 if (MessageBox.Show("是否删除队列:" + txtQueueName.Text + "?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Asterisk) == DialogResult.No) { return; } _qm.DelQueueInfo(txtQueueName.Tag.ToString()); //int rowIndex = 0; if (listView1.SelectedItems.Count > 0) { //rowIndex = listView1.SelectedItems[0].Index; listView1.Items.Remove(listView1.SelectedItems[0]); } ButtonHint.Start(sender as Button, "OK"); } catch (Exception ex) { MsgBox.ShowException(ex, this); } }