DirectoryNotFoundException: 系统找不到指定的路径。 (异常来自 HRESULT:0x80070003)
StackTrace:
   在 NAudio.MediaFoundation.MediaFoundationInterop.MFCreateSourceReaderFromURL(String pwszURL, IMFAttributes pAttributes, IMFSourceReader& ppSourceReader)
   在 NAudio.Wave.MediaFoundationReader.CreateReader(MediaFoundationReaderSettings settings)
   在 NAudio.Wave.MediaFoundationReader.Init(MediaFoundationReaderSettings initialSettings)
   在 NAudio.Wave.MediaFoundationReader..ctor(String file)
   在 NAudio.Wave.AudioFileReader.CreateReaderStream(String fileName)
   在 NAudio.Wave.AudioFileReader..ctor(String fileName)
   在 DynamicClass.PlayMP3(String path)
   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()