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Mouse over the ribbon cause an error
posted

Hello, 

I created a toolbar manager and put dynamically groups and items on it. but when the mouse is over it it cause an error :

System.NullReferenceException:.
   ב-  Infragistics.Win.UltraWinToolbars.SharedProps.get_ShortcutString()
   ב-  Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.DisplayToolTip(ToolBase tool)
   ב-  Infragistics.Win.UltraWinToolbars.ToolBase.DisplayToolTip()
   ב-  Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.set_ImmediateToolTipDisplayMode(Boolean value)
   ב-  Infragistics.Win.UltraWinToolbars.ButtonToolUIElement.OnMouseHover()
   ב-  Infragistics.Win.ControlUIElementBase.NotifyMouseHover(UIElement element)
   ב-  Infragistics.Win.ControlUIElementBase.ProcessMouseHover(Object sender, EventArgs e)
   ב-  Infragistics.Win.Utilities.ProcessEvent(Control control, ProcessEvent eventToProcess, EventArgs e)
   ב-  Infragistics.Win.UltraControlBase.OnMouseHover(EventArgs e)
   ב-  System.Windows.Forms.Control.WmMouseHover(Message& m)
   ב-  System.Windows.Forms.Control.WndProc(Message& m)
   ב-  System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   ב-  System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   ב-  System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

 

Thanks,

Yossy

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