TreeViewPanel.IsVirtualizing and ScrollBar problem

2 posts, 0 answers
  1. Lauren Nickerson
    Lauren Nickerson avatar
    52 posts
    Member since:
    Jul 2009

    Posted 16 Aug 2010 Link to this post

    Well basically, I'm virtualizing the RadTreeView and I get a problem with the scroll bar where it gets smaller as I scroll down. Isn't there a way where it already knows what size it should be and just use that size from the start? That's how the native WPF TreeView works.

    This is what I'm talking about:

    http://www.screencast.com/users/CarloToribio/folders/Jing/media/97917e36-82fd-469a-8fb5-379767fa5974

    Thanks.
  2. Tina Stancheva
    Admin
    Tina Stancheva avatar
    3298 posts

    Posted 19 Aug 2010 Link to this post

    Hi Lauren Nickerson,

    Since the virtualization of both the RadTreeView and the native TreeView lies on the same principles, the behavior of the ScrollViewer in the case you described is the same in both controls. Also it is an expected behavior and as far as I know you cannot workaround it.

    I also attached a project containing both RadTreeView and TreeView in order to compare their behavior when virtualized. Can you take a look at it and let me know if I missing something.

    Thank you in advance.

    All the best,
    Tina Stancheva
    the Telerik team
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