Returns the event parameter data type.
PRL_RESULT PrlEvtPrm_GetType( PRL_HANDLE hEventParam, PRL_PARAM_FIELD_DATA_TYPE_PTR pnParamType );
PrlApiCore.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.