Write raw audio file in CaptureSharedEventDriven

[hungcui]

In CaptureSharedEventDriven(Windows SDK). Wav file written in function WriteWaveFile(HANDLE FileHandle, const BYTE *Buffer, const size_t BufferSize)and how to write Raw file with input in WriteWaveFile function.This is my code but data is not written:

size_t valueCount = BufferSize;
FILE* _file;
int16_t* _data;
_data = (int16_t*)waveFileData;
_file = fopen("utterance.raw", "ab");
fwrite(Buffer, sizeof(_data[0]), valueCount, _file);
fclose(_file);

Thanks for help!

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