private static async Task FlushAllConnectionList(string channelSlugUrl) { #region FlushAllConnectionList var allConnectionList = RegisWebSocketProcess.GetConnectionRegisListFromSlug(channelSlugUrl); foreach (var connection in allConnectionList) { var FlushAllConnectionList = new ReceiveSocketDataModel { ConnectionId = connection.ConnectionId, ConnectionName = "", MessageJson = new[] { JsonConvert.SerializeObject(allConnectionList.Select(s => s.ConnectionId)) }, InvokeMethodName = "FlushAllConnectionList" }; await SendToClientWebSocket(connection.WebSocket, FlushAllConnectionList, CancellationToken.None); } #endregion }