A FeatureSet that has properties specific to routing.
The features property contains the turn-by-turn directions text and geometry of the route.
Note: DirectionsFeatureSet, and other routing related classes, were added in version 1.2 and requires ArcGIS Server 9.3.1 or above (with a "route" layer).
Example
ActionScript to use DirectionsFeatureSet:
var routeResult:RouteResult = event.routeSolveResult.routeResults[0];
directionsFS = routeResult.directions;
graphicsLayer.add(new Graphic(directionsFS.mergedGeometry, routeSymbol));
var i:int = 0;
for each (var feature:Graphic in directionsFS.features)
{
directions.htmlText += "
"+ feature.attributes.text
+ " (" + feature.attributes.length + " miles)");
i++;
}
public var extent:Extent
The extent of the route.
This property can be used as the source for data binding.
public var mergedGeometry:Polyline
A single polyline representing the route.
This property can be used as the source for data binding.
public var routeId:String
The ID of the route returned from the server.
This property can be used as the source for data binding.
public var routeName:String
Name specified in RouteParameters.stops.
This property can be used as the source for data binding.
See also
public var totalDriveTime:Number
Actual drive time calculated for the route.
This property can be used as the source for data binding.
public var totalLength:Number
The length of the route as specified in RouteParameters.directionsLengthUnits.
This property can be used as the source for data binding.
See also
public var totalTime:Number
The total time calculated for the route as specified in RouteParameters.directionsTimeAttribute.
This property can be used as the source for data binding.
See also
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FeatureSet 
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