void ArxClassHelper::GetClassHierarchy( const CString& type, AcStringArray& types, bool findAbstractType ) { AcRxClass* pClass = AcRxClass::cast( acrxClassDictionary->at( type ) ); if( pClass == 0 ) return; while( pClass != AcDbEntity::desc() ) { // 排除抽象类型 if( !findAbstractType && ( ( pClass->dxfName() == NULL ) || ( pClass->appName() == NULL ) ) ) { pClass = pClass->myParent(); continue; } types.append( pClass->name() ); pClass = pClass->myParent(); } types.reverse(); }