56 virtual void MakeClassAbstract() = 0;
#define NULL
Definition: Bentley.h:157
3d point coordinates.
Definition: dpoint3d.h:19
Concrete class that can be used to implement the reference-counting pattern.
Definition: RefCounted.h:109
struct DPoint3d const & DPoint3dCR
Definition: msgeomstructs_typedefs.h:79
Interface to be adopted by a class the implements the reference-counting pattern. ...
Definition: RefCounted.h:34
size_type size() const
Definition: stdcxx/bstdmap.h:214