class BEC_IMPEXP CPrRoof: public CPrEnclose, public tagPrRoof
{
#if (ADS>14)
private:
	void *operator new[](size_t nSize) { return 0;}
	void operator delete[](void *p) {};    //this operator missing in VA_View
	void *operator new[](size_t nSize, const char *file, int line) { return 0;}
#endif
...
};