waveInClose function
The waveInClose function closes the given waveform-audio input device.
Syntax
MMRESULT waveInClose(
HWAVEIN hwi
);
Parameters
- hwi
Handle to the waveform-audio input 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 If the function succeeds, the handle is no longer valid after this call.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 |
|---|---|
| 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 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.
Requirements
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
Mmsystem.h (include Windows.h) |
Library |
Winmm.lib |
DLL |
Winmm.dll |