public ServerStatus SetServerStatus(Action<ServerStatus> callback)
            {
                var result = ServerStatus.Communicating;
                try
                {
                    var client = new MainClient();
                    client.GetDBStatusAsync();
                    client.GetDBStatusCompleted += (sender, e) =>
                    {
                        if (e.Error != null)
                            result = ServerStatus.Error;
                        else if (e.Result)
                            result = ServerStatus.Ok;
                        else
                            result = ServerStatus.Error;

                        callback(result);
                    };
                }
                catch (Exception)
                {
                    //throw;
                    result = ServerStatus.Error;
                }
                return result;
            }