IFrequencyMap::get_FrequencyMapping method (bdaiface.h)
[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]
The get_FrequencyMapping method returns the Network Provider filter's current frequency table.
Syntax
HRESULT get_FrequencyMapping(
[out] ULONG *ulCount,
[out] ULONG **ppulList
);
Parameters
[out] ulCount
Pointer to a variable that receives the size of the frequency table.
[out] ppulList
Pointer to a variable that receives the address of the frequency table. The frequency table is an array of size pulCount, allocated by the method. The caller must free the array by calling CoTaskMemFree.
Return value
Each entry in the frequency table is a tuning frequency, in kilohertz (kHz).
If the method succeeds, it returns S_OK. If it fails, it returns an error code.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | bdaiface.h |