SEHException: 外部组件发生异常。
StackTrace:
   在 System.Windows.Media.RenderData.HitTestPoint(Point point)
   在 System.Windows.UIElement.HitTestCore(PointHitTestParameters hitTestParameters)
   在 System.Windows.Media.Visual.HitTestPointInternal(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters hitTestParameters)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTestPoint(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, PointHitTestParameters pointParams)
   在 System.Windows.Media.Visual.HitTest(HitTestFilterCallback filterCallback, HitTestResultCallback resultCallback, HitTestParameters hitTestParameters)
   在 System.Windows.UIElement.InputHitTest(Point pt, IInputElement& enabledHit, IInputElement& rawHit, HitTestResult& rawHitResult)
   在 System.Windows.Input.MouseDevice.LocalHitTest(Boolean clientUnits, Point pt, PresentationSource inputSource, IInputElement& enabledHit, IInputElement& originalHit)
   在 System.Windows.Input.MouseDevice.GlobalHitTest(Boolean clientUnits, Point pt, PresentationSource inputSource, IInputElement& enabledHit, IInputElement& originalHit)
   在 System.Windows.Input.MouseDevice.PreNotifyInput(Object sender, NotifyInputEventArgs e)
   在 System.Windows.Input.InputManager.ProcessStagingArea()
   在 System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   在 System.Windows.Input.MouseDevice.Synchronize()
   在 System.Windows.Input.MouseDevice.PostProcessInput(Object sender, ProcessInputEventArgs e)
   在 System.Windows.Input.InputManager.RaiseProcessInputEventHandlers(ProcessInputEventHandler postProcessInput, ProcessInputEventArgs processInputEventArgs)
   在 System.Windows.Input.InputManager.ProcessStagingArea()
   在 System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   在 System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   在 System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   在 System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)