The WIM_DATA message is sent to the given waveform-audio input callback
function when waveform-audio data is present in the input buffer and the buffer is
being returned to the application. The message can be sent when the buffer is
full or after the waveInReset
function is called.
dwParam1 = (DWORD) lpwvhdr
dwParam2 = reserved
Address of a WAVEHDR
structure that identifies the buffer containing the data.
Reserved; must be zero.
This message does not return a value.
The returned buffer might not be full. Use the dwBytesRecorded
member of the WAVEHDR
structure specified by lpwvhdr
to determine the number of bytes recorded into the returned buffer.
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