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https://issues.apache.org/jira/browse/FLEX-24709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean updated FLEX-24709:
---------------------------------
Labels: easyfix easytest (was: )
> ScrollControlBase null mask
> ---------------------------
>
> Key: FLEX-24709
> URL: https://issues.apache.org/jira/browse/FLEX-24709
> Project: Apache Flex
> Issue Type: Bug
> Components: mx: ComboBox
> Affects Versions: Adobe Flex SDK 3.4 (Release)
> Environment: Affected OS(s): Windows
> Affected OS(s): Windows 7
> Browser: Internet Explorer 8.x
> Language Found: English
> Reporter: Adobe JIRA
> Labels: easyfix, easytest
>
> Steps to reproduce:
> 1. -Create an swfLoader and load an .swf, add a complete event to swfLoader
>
> 2. -in the OnComplete load the swfloader.content as Movieclip
> 3. - add a mx:Combobox to movieclip (movieclip.addChild)
> 4. Run the application and click on combobox
>
> Actual Results:
> TypeError: Error #1009: Cannot access a property or method of a null object
> reference.
> at
> mx.core::ScrollControlBase/updateDisplayList()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\core\ScrollControlBase.as:784]
> at
> mx.controls.listClasses::ListBase/updateDisplayList()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\listClasses\ListBase.as:3657]
> at
> mx.controls::List/updateDisplayList()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\List.as:1005]
> at
> mx.controls.listClasses::ListBase/validateDisplayList()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\listClasses\ListBase.as:3348]
> at
> mx.controls::ComboBox/getDropdown()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\ComboBox.as:1495]
> at
> mx.controls::ComboBox/displayDropdown()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\ComboBox.as:1552]
> at
> mx.controls::ComboBox/downArrowButton_buttonDownHandler()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\ComboBox.as:1801]
> at flash.events::EventDispatcher/dispatchEventFunction()
> at flash.events::EventDispatcher/dispatchEvent()
> at
> mx.core::UIComponent/dispatchEvent()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\core\UIComponent.as:9408]
> at
> mx.controls::Button/http://www.adobe.com/2006/flex/mx/internal::buttonPressed()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\Button.as:2504]
> at
> mx.controls::Button/mouseDownHandler()[C:\autobuild\3.4.0\frameworks\projects\framework\src\mx\controls\Button.as:2750]
>
> Expected Results:
> dropdows works normally
>
>
> Workaround (if any):
>
> mask is null in updateDisplayList method, the validate if(mask!= null) but
> not works
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