IAudioEndpointVolume::GetChannelCount method (endpointvolume.h)
The GetChannelCount method gets a count of the channels in the audio stream that enters or leaves the audio endpoint device.
Syntax
HRESULT GetChannelCount(
[out] UINT *pnChannelCount
);
Parameters
[out] pnChannelCount
Pointer to a UINT variable into which the method writes the channel count.
Return value
If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.
| Return code | Description |
|---|---|
|
Parameter pnChannelCount is NULL. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2008 [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | endpointvolume.h |