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https://issues.apache.org/jira/browse/FLEX-33846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13895172#comment-13895172
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Justin Mclean commented on FLEX-33846:
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Confirmed this issue with the current 4.12 develop branch.
> spark datagrid horizontal scroll bar may not show when added as child of
> divided box
> ------------------------------------------------------------------------------------
>
> Key: FLEX-33846
> URL: https://issues.apache.org/jira/browse/FLEX-33846
> Project: Apache Flex
> Issue Type: Bug
> Components: mx: DividedBox, Spark: DataGrid
> Affects Versions: Apache Flex 4.10.0, Apache Flex 4.11.0
> Environment: FB 4.7, SDK 4.10.0, SDK 4.11 rc2, SDK nightly build
> 10/24/2013
> Reporter: gkk
> Priority: Minor
> Labels: easytest
>
> Run the application below. When using mx:DividedBox and including spark
> datagrid as child, resizing the divided box, in some cases, doesn't draw the
> datagrid's horizontal scroll bar.
> Originally saw in 4.10.0 using Flash Builder 4.7. Verified still in nightly
> build on 10/24/2013 (targeted for 4.12).
> ------ example code -------
> <?xml version="1.0" encoding="utf-8"?>
> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009";
> xmlns:s="library://ns.adobe.com/flex/spark"
> xmlns:mx="library://ns.adobe.com/flex/mx"
> minWidth="600" minHeight="600">
>
> <fx:Declarations>
> <fx:String id="sampleText">Lorem Ipsum is the standard dummy
> text of the typesetting industry.</fx:String>
> </fx:Declarations>
>
> <s:VGroup horizontalAlign="left" paddingLeft="30" paddingTop="30">
>
> <s:Label text="1. Click and drag divider bar lower to shrink
> height of datagrid"/>
> <s:Label text=" to display about 1.5 rows."/>
> <s:Label text="2. Notice the HorizontalScrollBar disappears for
> certain heights."/>
>
> <mx:DividedBox backgroundColor="0xaa0000" >
> <s:TextArea height="30" width="300" text="This is a
> text area."/>
> <s:DataGrid id="dg1" width="300">
>
> <s:columns>
> <s:ArrayList>
> <s:GridColumn dataField="value"
> headerText="Column 1" width="200"/>
> <s:GridColumn dataField="value"
> headerText="Column 2" width="200"/>
> </s:ArrayList>
> </s:columns>
>
> <s:ArrayCollection>
> <s:DataItem value="{sampleText}"/>
> <s:DataItem value="{sampleText}"/>
> <s:DataItem value="{sampleText}"/>
> </s:ArrayCollection>
>
> </s:DataGrid>
> </mx:DividedBox>
>
>
> </s:VGroup>
> </s:Application>
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