public async Task<GetTimeAndSalesResponse> GetTimeAndSales(GetTimeAndSalesRequest request)
        {
            var command = new GetTimeAndSalesCommand(request.Symbol, Gateway.AccesToken);
            command.Interval = request.Interval;
            command.SessionFilter = request.SessionFilter;
            command.StartDateTime = request.StartDateTime;
            command.EndDateTime = request.EndDateTime;

            //Send command to API
            await MakeApiCall(command);

            //Some handling of the response
            var response = new GetTimeAndSalesResponse(command.RawResponse, command.MessageFormat);
            return response;
        }
        private async void btnGo_Click(object sender, EventArgs e)
        {
            if (!ValidateInput()) return;
            
            string responseText = "";
            string interval = "";
            string sessionFilter = "";
            DateTime? dtEnd = null;
            DateTime? dtStart = null;
            

            if (cmbInterval.SelectedItem != null)
                interval = cmbInterval.SelectedItem.ToString().ToLower();

            if (cmbSession.SelectedItem != null)
            {
                if (cmbSession.SelectedItem.ToString() == "Include Pre/After Market")
                    sessionFilter = "all";
                else
                    sessionFilter = "open";
            }

            if (dateTimeEnd.Value.CompareTo(SqlDateTime.MinValue.Value) > 0)
                dtEnd = dateTimeEnd.Value;

            if (dateTimeStart.Value.CompareTo(SqlDateTime.MinValue.Value) > 0)
                dtStart = dateTimeStart.Value;

            if (ApiCall.CompareTo("Market/Get Historical Pricing") == 0)
            {
                var request = new GetHistoricalPricingRequest(txtSymbol.Text);
                request.Interval = interval;
                request.StartDateTime = dtStart;
                request.EndDateTime = dtEnd;
                var response = await ApiGateway.MarketData.GetHistoricalPricing(request);
                responseText = response.RawResponse.Content;
            }
            else if (ApiCall.CompareTo("Market/Get Time And Sales") == 0)
            {
                var request = new GetTimeAndSalesRequest(txtSymbol.Text);
                request.Interval = interval;
                request.SessionFilter = sessionFilter;
                request.StartDateTime = dtStart;
                request.EndDateTime = dtEnd;
                var response = await ApiGateway.MarketData.GetTimeAndSales(request);
                responseText = response.RawResponse.Content;
            }
            
            txtResponse.Text = responseText;

        }