Win32Exception: Invalid window handle
--NativeErrorCode: 1400
StackTrace:
   at MS.Internal.PointUtil.ClientToScreen(Point pointClient, PresentationSource presentationSource)
   at System.Windows.Input.MouseDevice.GlobalHitTest(Boolean clientUnits, Point pt, PresentationSource inputSource, IInputElement& enabledHit, IInputElement& originalHit)
   at System.Windows.Input.MouseDevice.PreNotifyInput(Object sender, NotifyInputEventArgs e)
   at System.Windows.Input.InputManager.ProcessStagingArea()
   at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   at System.Windows.Input.MouseDevice.Synchronize()
   at System.Windows.Input.InputManager.HitTestInvalidatedAsyncCallback(Object arg)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)