ArcGISWindowsPhoneSDK.ServiceAreas.GetFacilityTravelDirections C# (CSharp) Method

        private FacilityTravelDirection GetFacilityTravelDirections(string directionSelection)
        {
            FacilityTravelDirection ftd = FacilityTravelDirection.TravelDirectionToFacility;
            switch (directionSelection.ToLower())
            {
                case "to facility":
                    ftd = FacilityTravelDirection.TravelDirectionToFacility;
                    break;
                case "from facility":
                    ftd = FacilityTravelDirection.TravelDirectionFromFacility;
                    break;
                default:
                    break;
            }
            return ftd;
        }