|Microsoft DirectX 9.0|
The GetNextLocator method creates a new tune request with locator information for the next transport stream on the network.
HRESULT GetNextLocator( ITuneRequest* pCurrentRequest, ITuneRequest** ppTuneRequest );
[in] Specifies the ITuneRequest interface of the current tune request. NULL means to return information for the first stream.
[out] Pointer to a variable that receives a tune request for the next transport stream.
The method returns an HRESULT. Possible values include those in the following table.
|S_OK||The method succeeded.|
|E_POINTER||CurrentRequest is not valid, or TuneRequest is NULL.|
This method is used internally by the Network Provider's IScanningTuner::SeekUp and IScanningTuner::SeekDown methods, and is also useful for any Guide Store Loader that scans a network for EPG information.
Currently this method is not implemented for DVB-C or DVB-S networks, and the method returns E_NOTIMPL. The method is implemented for DVB-T.