      *  @private
      */
     override protected function calculateDragScrollDelta(dropLocation:DropLocation,
-                                                         timeInterval:int,
-                                                         timeElapsed:int):Point
-    {
-        var delta:Point = super.calculateDragScrollDelta(dropLocation, timeInterval, timeElapsed);
+                                                         elapsedTime:Number):Point
+    {
+        var delta:Point = super.calculateDragScrollDelta(dropLocation, elapsedTime);
         // Don't scroll in the horizontal direction
         if (delta)
             delta.x = 0;

     *  <p>If the actual size of the container has been explicitly set,
     *  then this property has no effect.</p>
     *
     *  @default 0
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10

    //  requestedMinRowCount
    //----------------------------------

    private var _requestedMinRowCount:int = -1;
    
    [Inspectable(category="General", minValue="-1")]

