NativeDragEvent 拖动

nativeDragEnter="dragEnterHandler(event);" //进入
nativeDragDrop="dragDropHandler(event);"//放下

 

   private function dragEnterHandler(event:NativeDragEvent):void {
               var transferable:Clipboard = event.clipboard; //取得剪贴板里的东西
               if (transferable.hasFormat(ClipboardFormats.FILE_LIST_FORMAT)) //是否有文件列表
              {   
                       DragManager.acceptDragDrop(this.box); //让box目标接受拖动的放置

                       //目标必须是是IUIComponent
               }   

 }

 private function dragDropHandler(event:NativeDragEvent):void {
             var arr:Array = event.clipboard.getData(ClipboardFormats.FILE_LIST_FORMAT) as Array;
             if (arr.length==0) return;
             pic.source = (arr[0] as File).url;
 }