[jira] [Updated] (FLEX-34545) tree content does not display sometimes

["Bi Jane Jia (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLEX-34545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bi Jane Jia updated FLEX-34545:
-------------------------------
    Attachment: sample.zip

sample project

> tree content does not display sometimes
> ---------------------------------------
>
>                 Key: FLEX-34545
>                 URL: https://issues.apache.org/jira/browse/FLEX-34545
>             Project: Apache Flex
>          Issue Type: Bug
>          Components: mx: Tree
>    Affects Versions: Apache Flex 4.11.0
>            Reporter: Bi Jane Jia
>         Attachments: sample.zip
>
>
> STEPS TO REPRODUCE:
> ===================
> 1. import the attached project and run it.
> 2. scroll down and find b1 in the tree. open b1-> b1_1 and select b1_1_1.
> 3. click "set moving target" button and confirmed "moving to b1_1_1" is displayed.
> 4. move the scroller to make sure b1_1 is the first item you can see in the tree.
> 5. click "move" button
> RESULT:
> =======
> The tree content is not displayed and you can only see a blank view.
> EXPECTED:
> =========
> The tree content should display correctly.
> WORKAROUND:
> ===========
> 1) increase height of the mx:tree component 
> or
> 2) add tree.validateNow(); in the menuToMenu() function
> The problem does not happen with other items in the upper part of the tree such as a1_1_1.



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