Retrieves the number of speeds supported by the selected drive.
|C||HRESULT ILTDVDBurner_get_SpeedCount(pDVDBurner, pVal)|
Pointer to an ILTDVDBurner interface.
Pointer to a variable to be updated with the number of speeds supported by the selected drive.
|S_OK||The function was successful.|
|<> S_OK||An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.|
Use ILTDVDBurner::GetSpeedName to retrieve a user-friendly string that describes each speed supported by the drive.
Use ILTDVDBurner::GetSpeedValue to retrieve the speed value.
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