/// <summary> /// 连接OPC /// </summary> public bool ConnectOpc(ref string errMsg) { try { opcClient = new OpcClient(); var result = opcClient.ConnectOpcServer(serverIp, serverName, ref errMsg); if (result) { opcClient.DataChanged += OpcClient_DataChanged; } return(result); } catch (Exception ex) { errMsg = ex.Message; return(false); } }