Using the ScrollWheel

2 posts, 0 answers
  1. Lars Johansen
    Lars Johansen avatar
    31 posts
    Member since:
    Oct 2009

    Posted 29 Oct 2009 Link to this post


    When the DropDown is Open the scrollwheel works on the scrollViewer as expected - so far so good.
    But if you scroll further down or up than you have items in the list - you start scrolling the browser instead. This can be rather annoying - any way to avoid this ?


    Using RadControls for Silverlight 2009.3.1019.1030
  2. Valeri Hristov
    Valeri Hristov avatar
    2252 posts

    Posted 29 Oct 2009 Link to this post

    Hi Lars,

    This behavior is actually by design - when the ScrollViewer reaches the last item, and you continue to rotate the wheel, it doesn't scroll anymore and thus does not handle the MouseWheel event, which is propagated to the parent elements and the browser. This is because we generally handle the events only when we do something with them, e.g. scroll the ScrollViewer or handle the key press, etc.

    In the current version of RadControls for Silverlight we do not provide a way to change this behavior. I am open for suggestions, that could be considered for Q3 SP1 (due 4-5 weeks after Q3).

    Valeri Hristov
    the Telerik team

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