This function closes the specified waveform output device.
At a Glance
| Header file: | Mmsystem.h |
| Windows CE versions: | 2.0 and later |
Syntax
MMRESULT waveOutClose(HWAVEOUT hwo);
Parameters
hwo
Handle to the waveform-audio output device. If the function succeeds, the handle is no longer valid after this call.
Return Values
One of the values described in the following table is returned.
| Value | Description |
| MMSYSERR_NOERROR | Success. |
| 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. |
Remarks
If the device is still playing a waveform-audio file, the close operation fails. Use the waveOutReset function to terminate playback before calling waveOutClose.