private void mytimer_Tick(Object obj, EventArgs args) { string strname = ""; Area area = null; foreach (KeyValuePair <string, Router> router in CommonCollection.Routers) { if (null == router.Value) { continue; } if (router.Value.CurType != NodeType.DataNode) {//若当前的节点断开了连接,删除掉这个参考点 continue; } if (nodelistview.Items.ContainsKey(router.Key)) { if (!router.Value.status) {//断开连接了 nodelistview.Items.RemoveByKey(router.Key); continue; } ListViewItem[] items = nodelistview.Items.Find(router.Key, false); if (items.Length > 0) { strname = CommonBoxOperation.GetNodeName(router.Key); if (null == strname || "".Equals(strname)) { items[0].SubItems[1].Text = "****"; } else { items[0].SubItems[1].Text = strname; } area = CommonBoxOperation.GetAreaFromNodeID(router.Key); if (null == area) { items[0].SubItems[2].Text = "****"; } else { if (null == area.Name || "".Equals(area.Name)) { items[0].SubItems[2].Text = area.ID[0].ToString("X2") + area.ID[1].ToString(); } else { items[0].SubItems[2].Text = area.Name; } } items[0].SubItems[3].Text = router.Value.ReportTime.ToString(); } continue; } if (!router.Value.status) {//断开连接了 nodelistview.Items.RemoveByKey(router.Key); continue; } ListViewItem item = new ListViewItem(); item.Text = router.Key; item.Name = router.Key; strname = CommonBoxOperation.GetNodeName(router.Key); if (null == strname || "".Equals(strname)) { item.SubItems.Add("****"); } else { item.SubItems.Add(strname); } area = CommonBoxOperation.GetAreaFromNodeID(router.Key); if (null == area) { item.SubItems.Add("****"); } else { if (null == area.Name || "".Equals(area.Name)) { item.SubItems.Add(area.ID[0].ToString("X2") + area.ID[1].ToString()); } else { item.SubItems.Add(area.Name); } } item.SubItems.Add(router.Value.ReportTime.ToString()); nodelistview.Items.Add(item); } }