OutOfMemoryException: 引发类型为“System.OutOfMemoryException”的异常。
StackTrace:
   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()