Bug when bound to ObservableCollection

4 posts, 0 answers
  1. Craig Dean
    Craig Dean avatar
    16 posts
    Member since:
    Jan 2010

    Posted 29 Jan 2010 Link to this post

    When bound to an observable collection, and once the collection has been modified programattically, the RadComboBox crashes when selecting an item in it (even if currently selected item...).  This does not happen with swapped with standard SilverLight ComboBox.

    {System.Exception: Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))
    at MS.Internal.XcpImports.CheckHResult(UInt32 hr)
    at MS.Internal.XcpImports.FrameworkElement_SetStyleValue(FrameworkElement dohDependencyProperty propertyPropertyInvalidationReason reason)
    at System.Windows.DependencyObject.ClearValueInternal(DependencyProperty dp)
    at System.Windows.DependencyObject.ClearValue(DependencyProperty dp)
    at Telerik.Windows.Controls.RadComboBox.Close()
    at Telerik.Windows.Controls.RadComboBox.NotifyComboBoxItemMouseUp(RadComboBoxItem comboBoxItem)
    at Telerik.Windows.Controls.RadComboBoxItem.OnMouseLeftButtonUp(MouseButtonEventArgs e)
    at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrlEventArgs e)
    at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObjIntPtr unmanagedObjArgsInt32 argsTypeIndexString eventName)}
  2. Craig Dean
    Craig Dean avatar
    16 posts
    Member since:
    Jan 2010

    Posted 29 Jan 2010 Link to this post


    Being getting loads of weird bugs in Telerik controls, turns out that I was changing the ApplicationTheme after some controls rendered, most of the contros die horribly if you change the theme once they're rendered.

    Absolutely impossible to trace, very lucky to figure it out!
  3. Valeri Hristov
    Valeri Hristov avatar
    2252 posts

    Posted 02 Feb 2010 Link to this post

    Hello Craig,

    How do you change the application theme? I wasn't able to reproduce the problem with a simple application.

    Valeri Hristov
    the Telerik team

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  4. Sriram
    Sriram avatar
    14 posts
    Member since:
    Apr 2009

    Posted 08 Feb 2010 Link to this post

    go through Demos and Change the Application Theme.
    There is a sample code available in telerik quickstarts
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