Tell host that the Plug-in controller changed a program list (rename, load, PitchName changes).
\param listId is the specified program list ID to inform.
\param programIndex : when kAllProgramInvalid, all program information is invalid, otherwise only the program of given index.
Tell host that the Plug-in controller changed a program list (rename, load, PitchName changes). \param listId is the specified program list ID to inform. \param programIndex : when kAllProgramInvalid, all program information is invalid, otherwise only the program of given index.