how to display the BusyIndicator that hang ExpandAll () runs a RadTreeView

3 posts, 0 answers
  1. bouda
    bouda avatar
    2 posts
    Member since:
    May 2011

    Posted 12 May 2011 Link to this post

    Hello ,

    I am using Silverlight application and I have a Telerik RadTreeView. I like display the BusyIndicator hang the methode ExpnadAll() runs.
    Note : (My RadTreeView contains many elements)

    My code looks like this :



    private void Button_ExpandAll(object sender, RoutedEventArgs e)








        this.MyBusy = true;








        this.MyBusy = false;

    But the BusyIndicator is never displayed.


  2. Milan
    Milan avatar
    1989 posts

    Posted 13 May 2011 Link to this post

    Hello bouda,

    I am afraid that this is not possible due to the fact that the expand operation blocks the UI thread.

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  3. Eugeniy
    Eugeniy avatar
    63 posts
    Member since:
    Feb 2011

    Posted 22 May 2011 Link to this post

    just start the second thread:

    radBusyIndicator.IsBusy = true;
    new Thread( ()=>
       Dispatcher.Invoke( new Action(()=>
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