IMFAudioPolicy::SetGroupingParam method (mfidl.h)
Assigns the audio session to a group of sessions.
Syntax
HRESULT SetGroupingParam(
[in] REFGUID rguidClass
);
Parameters
[in] rguidClass
A GUID that identifies the session group. Groups are application-defined. To create a new session group, assign a new GUID.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
Remarks
If two or more audio sessions share the same group, the Windows volume control displays one slider control for the entire group. Otherwise, it displays a slider for each session. For more information, see IAudioSessionControl::SetGroupingParam in the core audio API documentation.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | mfidl.h |
| Library | Mfuuid.lib |