private void btn_stopserver_Click_1(object sender, EventArgs e) { if (null != this.listener) { listener.StopListener(); listener = null; } this.bRemoteCheckClosed = true; this.btn_startserver.Enabled = true; this.labelStatus.Text = "服务于 " + DateTime.Now.ToString() + " 停止运行."; //this.lbCheckList.Items.Add("服务于 " + DateTime.Now.ToString() + " 停止运行."); }