WIDM_STOP

See also WIDM_START, WIDM_RESET

Sent to a waveform input device driver to stop waveform recording.

MMSYSERR_NOTENABLED

The driver failed to load or initialize.


DWORD dwParam1

Unused.

DWORD dwParam2

Unused.

If the current buffer is partially full, it should be marked as done and returned to the client. Any empty buffers in the queue should remain there. Calling this function when input is not started should have no effect and MMSYSERR_NOERROR should be returned.