Problems with TabControl after updating to version 2010.1.412.1040

2 posts, 0 answers
  1. Adriano
    Adriano avatar
    43 posts
    Member since:
    Jan 2009

    Posted 15 Apr 2010 Link to this post

    We are working on a Silverlight 4 RC project using your controls, Today, after updating to the 2010.1.412.1040 version, we are facing with this strange behaviour. Each time the user changes the active tab item, your code trigger this blocking exception:

    Error HRESULT E_FAIL has been returned from a call to a COM  component.

    Error details:
      at MS.Internal.XcpImports.VisualStateManager_GoToState(Control reference, String StateName, Boolean useTransitions, Boolean& refreshInheritanceContext)
       at System.Windows.VisualStateManager.GoToState(Control control, String stateName, Boolean useTransitions)
       at Telerik.Windows.Controls.RadTabItem.GoToState(Boolean useTransitions, String[] stateNames)
       at Telerik.Windows.Controls.RadTabItem.ChangeVisualState(Boolean useTransitions)
       at Telerik.Windows.Controls.HeaderedContentControl.ChangeVisualState()
       at Telerik.Windows.Controls.RadTabItem.OnIsSelectedChanged(Boolean oldValue, Boolean newValue)
       at Telerik.Windows.Controls.RadTabItem.OnIsSelectedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
       at Telerik.Windows.PropertyMetadata.<>c__DisplayClass1.<Create>b__0(DependencyObject d, DependencyPropertyChangedEventArgs e)
       at System.Windows.DependencyObject.RaisePropertyChangeNotifications(DependencyProperty dp, Object oldValue, Object newValue)
       at System.Windows.DependencyObject.UpdateEffectiveValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, ValueOperation operation)
       at System.Windows.DependencyObject.SetValueInternal(DependencyProperty dp, Object value, Boolean allowReadOnlySet)
       at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
       at Telerik.Windows.Controls.RadTabItem.set_IsSelected(Boolean value)
       at Telerik.Windows.Controls.RadTabItem.OnHeaderMouseLeftButtonDown(Object sender, MouseButtonEventArgs e)
       at MS.Internal.CoreInvokeHandler.InvokeEventHandler(Int32 typeIndex, Delegate handlerDelegate, Object sender, Object args)
       at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)

    What could we do to solve this blocking problem?

    Thank you
  2. Miro Miroslavov
    Miro Miroslavov avatar
    588 posts

    Posted 20 Apr 2010 Link to this post

    Hi Adriano,

    We can't reproduce this issue with official release of Silverlight 4. Can you please update your Silverlight tools and check if the problem still exists. If you still get this error, it'll be very helpful you send us example project showing the issue.
    Thank you.

    Best wishes,
    Miro Miroslavov
    the Telerik team

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