COMException: 灾难性故障 (异常来自 HRESULT:0x8000FFFF (E_UNEXPECTED))
StackTrace:
   在 MS.Win32.Penimc.IPimcContext2.ShutdownComm()
   在 System.Windows.Input.PenThreadWorker.RemovePenContext(PenContext penContext)
   在 System.Windows.Input.PenThreadWorker.WorkerOperationRemoveContext.OnDoWork()
   在 System.Windows.Input.PenThreadWorker.WorkerOperation.DoWork()
   在 System.Windows.Input.PenThreadWorker.ThreadProc()
   在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   在 System.Threading.ThreadHelper.ThreadStart()