You found a bug! We've classified it as EXTJS-9493 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
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    Default extjs4.2 treepanel worked in IE

    extjs4.2 treepanel worked in IE


    I use extjs4.2 treepanel meet a problem.
    I added 500 nodes into the tree, and I click one of the nodes (about from 100 to 400), the vertical scroll bar where move, and the node I clicked will be not at the point where my mouse in.

    It's work well on FF and chrome,but IE have this problem.

    and what can I do?

    * EDIT BY SLEMMON
    confirmed using the example at:
    http://docs.sencha.com/ext-js/4-2/ex...tune/#tree-xml
    on IE9 / Win7
    tested on 4.2.0.663 and 4.2.1.760
    Last edited by slemmon; 15 Apr 2013 at 1:22 PM. Reason: Added additional testing notes

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    Default


    Are you seeing the issue with leaf nodes as well as folder/branch nodes? Do you see the same issue if you use this example:
    http://docs.sencha.com/ext-js/4-2/ex...tune/#tree-xml

    If you open some of the parent nodes you should start to get a larger list of nodes to test with.

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    Default


    yes, use this example ,also have this problem in ie,when lots of nodes been expanded

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    Thanks for the report! I have opened a bug in our bug tracker.

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    but,sorry,I think I'm wrong, it happened also on FF and IE8 ,when the data were very large

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    also chrome

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