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Flex报错之一

1、错误描述

TypeError: Error #1009: 无法访问空对象引用的属性方法
at com.gwtjs.components::DetailWindow/completeHandler()[D:\Adobe Flash Builder 4 Installer\demo\src\com\gwtjs\components\DetailWindow.mxml:25]
at com.gwtjs.components::DetailWindow/___DetailWindow_TitleWindow1_creationComplete()[D:\Adobe Flash Builder 4 Installer\demo\src\com\gwtjs\components\DetailWindow.mxml:5]
at flash.events::Eventdispatcher/dispatchEventFunction()
at flash.events::Eventdispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\UIComponent.as:12266]
at mx.core::UIComponent/set initialized()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\UIComponent.as:1577]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:759]
at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1072]


2、错误原因


3、解决办法

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