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MM_WIM_DATA (Compact 2013)

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3/26/2014

This message is sent to a window when waveform-audio data is present in the input buffer and the buffer is being returned to the application. The message can be sent either when the buffer is full or after the waveInReset function is called.

Syntax

MM_WIM_DATA 
    wParam = (WPARAM) hInputDev
    lParam = (LONG) lpwvhdr

Parameters

  • hInputDev
    Handle to the waveform-audio input device that received the data.
  • lpwvhdr
    Pointer to a WAVEHDR structure that identifies the buffer containing the data.

Return Value

None.

Remarks

The returned buffer might not be full. Use the dwBytesRecorded member of the WAVEHDR structure specified by lParam to determine the number of bytes recorded into the returned buffer.

Requirements

Header

mmsystem.h

See Also

Reference

Waveform Audio Messages
waveInReset
WAVEHDR