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Tree To Grid Demo fails

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DragAndDrop
This is a migrated thread and some comments may be shown as answers.
Miha Markic
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Miha Markic asked on 29 May 2010, 03:59 PM
Try dragging an item from all products to Order grid's column caption. Bum.

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Fatal error!
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Error message: Object reference not set to an instance of an object.

StackTrace:    at Telerik.Windows.Examples.DragAndDrop.WPF.TreeToGrid.Example.OnGridViewDropInfo(Object sender, DragDropEventArgs e)

   at Telerik.Windows.Controls.DragDrop.DragDropEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) in c:\Builds\WPF_Scrum\Core_WPF_2010_Q1\Sources\Development\Core\Controls\DragDrop\DragDropEventArgs.cs:line 47

   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

   at Telerik.Windows.Controls.DragDrop.RadDragAndDropManager.RaiseDropInfo() in c:\Builds\WPF_Scrum\Core_WPF_2010_Q1\Sources\Development\Core\Controls\DragDrop\RadDragAndDropManager.cs:line 659

   at Telerik.Windows.Controls.DragDrop.RadDragAndDropManager.OnRealDrag(IMouseEventArgs e) in c:\Builds\WPF_Scrum\Core_WPF_2010_Q1\Sources\Development\Core\Controls\DragDrop\RadDragAndDropManager.cs:line 1242

   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)

   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)

   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)

   at System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)

   at System.Windows.Input.InputManager.ProcessStagingArea()

   at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)

   at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)

   at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)

   at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

   at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)

   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)

   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)

   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)




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OK   
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Tina Stancheva
Telerik team
answered on 03 Jun 2010, 07:33 AM
Hi Miha Markic,

We are aware of this issue and it is already fixed.

Please let us know if you need more info.
Sincerely yours,
Tina Stancheva
the Telerik team

Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items.
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DragAndDrop
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Miha Markic
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Tina Stancheva
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