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我使用新选项 getChildrenFunction 来创建我的网格。所有工作正常,所有级别的手动扩展工作正常,但是当我无法扩展所有级别(使用 grid.expandAll())时,它会在结束前停止一个级别。我能怎么做 ?我的孩子在这里工作:

private function getCustomChildren(object:Object,level:FlexDataGridColumnLevel):Object
            {
                if(object is Flow && ExplorationManager.getInstance().suggestionsXML != null)
                {
                    var wrappedKeyParamXML:ArrayCollection = new ArrayCollection;
                    for each (var xml:XML in ExplorationManager.getInstance().suggestionsXML..keyParameter)
                    {
                        wrappedKeyParamXML.addItem(new XMLWrapper(xml.copy(),object.id,xml.length()));
                    }
                    return wrappedKeyParamXML;
                }
                else if(object is Element)
                    return object.children;
                else if(object is XMLWrapper)
                {
                    return object.children;
                }   
                else 
                    return null;
            }

感谢您的回答

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