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The waveInPrepareHeader function prepares a buffer for waveform-audio input.
MMRESULT waveInPrepareHeader(
HWAVEIN hwi, | |
LPWAVEHDR pwh, | |
UINT cbwh | |
); |
Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following:
MMSYSERR_INVALHANDLE |
Specified device handle is invalid. |
MMSYSERR_NODRIVER |
No device driver is present. |
MMSYSERR_NOMEM |
Unable to allocate or lock memory. |
The lpData, dwBufferLength, and dwFlags members of the WAVEHDR structure must be set before calling this function (dwFlags must be zero).
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