|Microsoft DirectX 9.0|
The SetSyncSource method is called when a new clock is registered.
HRESULT SetSyncSource( IReferenceClock *pClock );
[in] Pointer to the new clock's IReferenceClock interface.
Returns an HRESULT value.
This method is called before the filters are notified. Make sure to use AddRef on the pClock parameter if the plug-in distributor intends to hold it beyond this method call.