The IDirectSound3DListener::CommitDeferredSetting method commits any deferred settings made since the last call to this method.
HRESULT CommitDeferredSettings();
None.
If the method succeeds, the return value is DS_OK.
If the method fails, the return value may be DSERR_INVALIDPARAM.
For additional information about using deferred settings to maximize efficiency, see Deferred Settings.