Use ioctl to send data from usemode to sysvad

[hungcui]

Hi everybody!

I need to send data from my usemode to sysvad and i know i can use ioctl, i'm not specialized in dealing with driver, i have read many discussions but i still can't implement ioctl. This audio data i received from fuction:


WriteWaveFile(HANDLE FileHandle, const BYTE *Buffer, const size_t BufferSize, const WAVEFORMATEX *WaveFormat)



Does you have some sample code. Please help me!

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