|Microsoft DirectX 9.0|
The GetPreviousLocator method creates a new tune request with locator information for the previous transport stream.
HRESULT GetPreviousLocator( ITuneRequest* pCurrentRequest, ITuneRequest** ppTuneRequest );
[in] Specifies current request.
[out] Pointer to a variable that receives the tune request for the previous transport stream in the network.
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.|
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.