程序崩溃

The calling thread cannot access this object because a different thread owns it.   

   at System.Windows.Threading.Dispatcher.VerifyAccess()
   at MS.Internal.Media.VisualTreeUtils.AsVisual(DependencyObject element, Visual& visual, Visual3D& visual3D)
   at MS.Internal.Media.VisualTreeUtils.AsNonNullVisual(DependencyObject element, Visual& visual, Visual3D& visual3D)
   at System.Windows.Media.VisualTreeHelper.GetParent(DependencyObject reference)
   at System.Windows.Input.InputElement.GetRootVisual(DependencyObject o, Boolean enable2DTo3DTransition)
   at System.Windows.PresentationSource.FindSource(DependencyObject o, Boolean enable2DTo3DTransition)
   at System.Windows.PresentationSource.CriticalFromVisual(DependencyObject v, Boolean enable2DTo3DTransition)
   at System.Windows.PresentationSource.CriticalFromVisual(DependencyObject v)
   at System.Windows.Documents.TextStore.GetSourceWnd(Boolean callerIsTrusted)
   at System.Windows.Documents.MoveSizeWinEventHandler.WinEventProc(Int32 eventId, IntPtr hwnd)
   at System.Windows.Documents.WinEventHandler.WinEventDefaultProc(Int32 winEventHook, Int32 eventId, IntPtr hwnd, Int32 idObject, Int32 idChild, Int32 eventThread, Int32 eventTime)

操作系统：WIN7 SP1 Professional 32bit

出现情况：在EXCEL 2013运行完动作后，编辑动作，关闭编辑页面，右键悬浮按钮时出现