The waveInClose function closes the given waveform-audio input device.

MMRESULT waveInClose(
  HWAVEIN hwi  



Handle to the waveform-audio input device. If the function succeeds, the handle is no longer valid after this call.

Return Values

Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.

Value Description
MMSYSERR_INVALHANDLE Specified device handle is invalid.
MMSYSERR_NODRIVER No device driver is present.
MMSYSERR_NOMEM Unable to allocate or lock memory.
WAVERR_STILLPLAYING There are still buffers in the queue.


If there are input buffers that have been sent with the waveInAddBuffer function and that haven't been returned to the application, the close operation will fail. Call the waveInReset function to mark all pending buffers as done.


  Windows NT/2000/XP: Included in Windows NT 3.1 and later.
  Windows 95/98/Me: Included in Windows 95 and later.
  Header: Declared in Mmsystem.h; include Windows.h.
  Library: Use Winmm.lib.

See Also

Waveform Audio, Waveform Functions, waveInAddBuffer, waveInReset