List dragOver, dragDrop, dragExit events

           

<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="initApp();">
    <mx:Script>
    
    import mx.managers.DragManager;
    import mx.events.DragEvent;
    import mx.collections.ArrayCollection;
    private function initApp():void {
    firstList.dataProvider = new ArrayCollection([
            {label:"First", data:"1"},
            {label:"Second", data:"2"},
            {label:"Third", data:"3"},
            {label:"Fourth", data:"4"}
        ]);
        secondList.dataProvider = new ArrayCollection([]);
    }
    private function dragOverHandler(event:DragEvent):void {
        event.preventDefault();
        event.currentTarget.showDropFeedback(event);
        if (event.dragSource.hasFormat("items")){
            if (event.ctrlKey) {
                DragManager.showFeedback(DragManager.COPY);
                return;
            }
        }
        DragManager.showFeedback(DragManager.NONE);
    }
    private function dragDropHandler(event:DragEvent):void {
        dragExitHandler(event);
    }
    private function dragExitHandler(event:DragEvent):void {
       

    }
  
    </mx:Script>
    <mx:HBox id="myHB">
    <mx:List id="firstList" dragEnabled="true"/>
    <mx:List id="secondList"
        dropEnabled="true"
        dragMoveEnabled="true"
        dragOver="dragOverHandler(event);"
        dragDrop="dragExitHandler(event);"
        dragExit="dragExitHandler(event);"/>
    </mx:HBox>
</mx:Application>

1.	Change event for List control
2.	Adding an event listener if one isn't present
3.	Event listener in an ActionScript function in an tag
4.	List change event
5.	Get selected item from a list from change event
6.	Convert event target to List control
7.	Write your event listener to access the event object
8.	A data-binding watcher invokes an event listener when a binding occurs.
9.	List double click event
10.	Add an Event Listener in MXML

List dragOver, dragDrop, dragExit events : List Event « Components « Flex

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