public extern static int SYOnBinaryDataReceived( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);
public extern static int SYOnSynthesisCompleted( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);
public extern static int SYOnChannelClosed( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);
public extern static int STOnTranscriptionStarted( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);
public extern static int STOnSentenceSemantics( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);
public extern static int SROnRecognitionResultChanged( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);
public extern static int SROnTaskFailed( IntPtr request, [MarshalAs(UnmanagedType.FunctionPtr)] NlsCallbackDelegate c, IntPtr user);