Treeview error when click treeview item

[redstar]

  When click a treeview item , below error happen, please help me out!!!

at Telerik.Windows.Controls.UIElementExtensions.IsAncestorOf(UIElement target, DependencyObject element)
   at Telerik.Windows.Controls.TreeView.TreeViewPanel.OnGridViewVirtualizingPanelLostFocus(Object sender, RoutedEventArgs 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, Int32 actualArgsTypeIndex, String eventName)

[Petar Mladenov]

Hi redstar,

Could you please elaborate more on your issue since we are not aware of such existing? Any code would be appreciated , steps to reproduce or sample captured video. You can also mention the dlls that you use. Thank you for your cooperation. 

Best wishes,
Petar Mladenov
the Telerik team

[redstar]

I got the reason, there is a RichTextBox on the page whose IsReadOnly set to True, and this error happen, if remove the IsReadOnly, it goes ok. very very weird.
by the way, i 'm using the latest version with cost.

[redstar]

Please help me, i think this maybe a bug of telerik.

[Iva Toteva]

Hi redstar,

We are not aware of any problems with RadRichTextBox that could appear when the editor is ReadOnly. Like Petar mentioned previously, we would need some more information or a sample project in order to be able to reproduce the issue and provide you with better assistance.

All the best,
Iva
the Telerik team

[redstar]

I didn't say RadRichTextBox, i said RichTextBox.
the condition is that if remove IsReadOnly="True" , then click RadTreeViewItem ,it goes well, else error happens

[Petar Mladenov]

Hello redstar,

Unfortunately, I am unable to reproduce this issue in our environment. Could you please examine my test project and let me know if I have missed something? I can also change this ticket type to GeneralFeedback so that you can send us a project showing the problem best.  Thank you for your cooperation in advance.

Best wishes,
Petar Mladenov
the Telerik team