What GUID have KSPROPERTY_BDA_TUNER_EXTENSION ? Interface found {FAA8F3E5-31D4-4E41-88EF-D9EB716F6EC9} and interface KSPROPERTY_BDA_TUNER_EXTENSION not found, also tried to find interface KSPROPERTY_BDA_PLPINFO, too, not found Can you write a separate DLL for switching PLP, where to enter the name o...