Returns the event parameter value as boolean (PRL_BOOL).
PRL_RESULT PrlEvtPrm_ToBoolean( PRL_HANDLE hEventParam, PRL_BOOL_PTR pbParamValue );
PrlApiCore.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.