Returns the network rate entry class id.
PRL_RESULT PrlNetworkRate_GetClassId( PRL_HANDLE hNetworkRate, PRL_UINT32_PTR pnClassId );
PrlApiDeprecated.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.