|Microsoft DirectX 9.0|
The put_FrequencyMapping method creates a frequency/channel map, frequency/transponder map, or whatever other mapping from carrier frequencies to frequency identifiers is appropriate for the tuning space.
HRESULT put_FrequencyMapping( BSTR Mapping );
[in] BSTR that contains the frequency mappings.
Returns S_OK if successful. If the method fails, error information can be retrieved using the standard COM IErrorInfo interface.
This method is used by the network provider to store a string that contains the frequency mappings.