roCecRxFrameEvent

if an romessageport is attached to an rocecinterface instance, it may receive events of type rocecrxframeevent ifcecrxframeevent getbytearray() as robytearray returns the message data as an robytearray ifuserdata setuserdata(user data as object) sets the user data that will be returned by getuserdata() getuserdata() as object returns the user data that has previously been set via setuserdata() it will return invalid if no data has been set