Drag&Drop acceptDragDrop not working

hello, i'm having problem implementing d&d on customized image component while dragging on canvas.

the problem when runtime generated userimage gets dragged on drop target canvas, dragproxy don't change in "acceptdragdrop" shape ...

 

significant code:

 

userimage.as

package com.lutek.components {     import flash.events.mouseevent;          import mx.controls.image;     import mx.events.*;     import mx.core.dragsource;     import mx.managers.dragmanager;     public class userimage extends image     {         //public var name:string = new string;         public var description:string = new string;                  public function userimage()         {             super();             addeventlistener(flash.events.mouseevent.mouse_move, dragimage);         }                  private function dragimage(event:mouseevent):void {                          // drag initiator component event object.             var draginitiator:userimage=this;                          // create dragsource object.             var ds:dragsource = new dragsource();             // add data object.             ds.adddata(this, "userimage");             // call dragmanager dodrag() method start drag.              dragmanager.dodrag(draginitiator, ds, event);         }     } } 

 

generatos.as

 

........................           private function dragenterhandler(event:dragevent):void {              if (event.dragsource.hasformat("userimage")) {                  var droptarget:canvas=canvas(event.currenttarget);                 trace("over " + droptarget.id);                  dragmanager.acceptdragdrop(droptarget);             }         }                          private function dragdrophandler(event:dragevent):void {             trace("dropok");         }  ......................... 

generator.mxml

 

<?xml version="1.0" encoding="utf-8"?> <mx:application       applicationcomplete="_init();"       xmlns:my="*"       xmlns:custom="com.lutek.components.*"        xmlns:mx="http://www.adobe.com/2006/mxml"       layout="absolute"       width="875"       height="635"> <mx:script source="generator.as"/> ..................... <mx:canvas width="100%" height="100%" id="pnlcontainer"                                 dragenter="dragenterhandler(event);"                                  dragdrop="dragdrophandler(event);"                     > ..................... 

 

any idea? i'm new concerning flex, , more on flex's d&d ....

maybe problem in generator.as, because trace works seems problem dragmanager.acceptdragdrop(droptarget) ...

thanks everyone

i made discovery: if drag userimage on canas works.

 

the layout is

 

canvas (parent)

     image1 (child)

     image2 (child)

     .... (child)

outer canvas (not image's parent)

 

how can obtain drop ok within parent canvas?

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