 import mx.core.ScrollControlBase;
 import mx.core.ScrollPolicy;
 import mx.core.SpriteAsset;
-import mx.core.UITextField;
 import mx.core.mx_internal;
 import mx.effects.IEffect;
-import mx.effects.IEffectInstance;
 import mx.effects.IEffectTargetHost;
 import mx.effects.Tween;
 import mx.events.CollectionEvent;


        lastDragEvent = event;

        if (enabled && iteratorValid && event.dragSource.hasFormat("items"))
        {
            DragManager.acceptDragDrop(this);
            DragManager.showFeedback(event.ctrlKey ? DragManager.COPY : DragManager.MOVE);

import mx.events.FlexEvent;
import mx.events.ListEvent;
import mx.events.MoveEvent;
import mx.events.SandboxMouseEvent;
import mx.events.ScrollEvent;
import mx.events.ScrollEventDetail;
