private esriUnits GetDirectionsLengthUnits(string directionsLengthUnits)
{
esriUnits units = esriUnits.esriUnknownUnits;
if (directionsLengthUnits.Equals(string.Empty))
return units;
switch (directionsLengthUnits.ToLower())
{
case "kilometers":
units = esriUnits.esriKilometers;
break;
case "meters":
units = esriUnits.esriMeters;
break;
case "miles":
units = esriUnits.esriMiles;
break;
case "nautical miles":
units = esriUnits.esriNauticalMiles;
break;
case "unknown":
units = esriUnits.esriUnknownUnits;
break;
default:
break;
}
return units;
}