waveOutClose function (mmeapi.h)
The waveOutClose function closes the given waveform-audio output device.
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 If the function succeeds, the handle is no longer valid after this call.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 value
Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.
| Return code | Description |
|---|---|
|
Specified device handle is invalid. |
|
No device driver is present. |
|
Unable to allocate or lock memory. |
|
There are still buffers in the queue. |
Remarks
The close operation fails if the device is still playing a waveform-audio buffer that was previously sent by calling waveOutWrite. Before calling waveOutClose, the application must wait for all buffers to finish playing or call the waveOutReset function to terminate playback.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | mmeapi.h (include Windows.h) |
| Library | Winmm.lib |
| DLL | Winmm.dll |