Returns RdfProperty if the argument rdfsResource is an actual active property in an active model. It returns 0 in all other cases,
i.e. this could mean the model is already closed, the property is inactive or removed or the session is closed.
It could also mean it represents a handle to another resource, for example a class, instance or model.
Syntax
//
// Strong typing definition
//
RdfProperty IsProperty(
RdfsResource rdfsResource
);
//
// Weak typing definition
//
int64_t __declspec(dllexport) __stdcall IsProperty(
int64_t rdfsResource
);
Property rdfsResource
Size: 64 bit / 8 byte (value)
???.