Hello Infragistics Team,

we have detected an Object Reference Exception in the Toolbar Version 8.2 CLR 2.0...

Is this a known issue? 

at Infragistics.Win.UltraWinToolbars.RibbonGroup.PreventMouseInputNotification(UIElementInputType inputType)

   at Infragistics.Win.UltraWinToolbars.RibbonGroupUIElement.WantsInputNotification(UIElementInputType inputType, Point point)
   at Infragistics.Win.UIElement.PointInElement(Point point, Boolean excludeOverlappingSiblings, Boolean ignoreClipping, Boolean honorInputType, UIElementInputType inputType)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType, Boolean honorInputType, Boolean excludeOverlappingSiblings)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, Boolean ignoreClipping, UIElementInputType inputType)
   at Infragistics.Win.UIElement.ElementFromPoint(Point point, UIElementInputType inputType)
   at Infragistics.Win.ControlUIElementBase.SyncMouseEntered(Boolean triggerMouseLeavesOnly, UIElementInputType inputType, Boolean ignoreLastElementEntered)
   at Infragistics.Win.ControlUIElementBase.ProcessVisibleChanged(Object sender, EventArgs e)
   at Infragistics.Win.Utilities.ProcessEvent(Control control, ProcessEvent eventToProcess, EventArgs e)
   at Infragistics.Win.UltraControlBase.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.Control.OnParentVisibleChanged(EventArgs e)
   at System.Windows.Forms.Control.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.ScrollableControl.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.Form.OnVisibleChanged(EventArgs e)
   at System.Windows.Forms.Control.WmShowWindow(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ContainerControl.WndProc(Message& m)
   at System.Windows.Forms.Form.WmShowWindow(Message& m)
   at System.Windows.Forms.Form.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)