WIM_DATA message

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.



WIM_DATA 
dwParam1 = (DWORD) lpwvhdr 
dwParam2 = reserved 


Parameters

dwParam1

Pointer to a WAVEHDR structure that identifies the buffer containing the data.

dwParam2

Reserved; must be zero.

Return Value

This message does not return a value.

Remarks

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.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Mmsystem.h (include Windows.h)

See also

Waveform Audio
Waveform Messages

 

 

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