IMFAudioPolicy::SetGroupingParam method (mfidl.h)
Assigns the audio session to a group of sessions.
HRESULT SetGroupingParam(
[in] REFGUID rguidClass
);
[in] rguidClass
A GUID that identifies the session group. Groups are application-defined. To create a new session group, assign a new GUID.
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
Return code | Description |
---|---|
|
The method succeeded. |
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.
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 |