IAcadBaseObject

IAcadBaseObject是用于管理从 COM 对象到驻留数据库对象的链接的接口。COM 对象负责在销毁 COM 对象时重置从 COM 对象到COM 对象的链接。这通常在 COM 类的析构函数中完成，使用下一节中讨论的类。AcDbObjectAcAxOleLinkManager

以下是界面的描述：IAcadBaseObject

interface DECLSPEC_UUID("5F3C54C0-49E1-11cf-93D5-0800099EB3B7")
IAcadBaseObject : public IUnknown
{
    // IUnknown methods
    //
    STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID FAR* 
        ppvObj) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;
    // IAcadBaseObject methods
    //
    STDMETHOD(SetObjectId)(THIS_ AcDbObjectId& objId,
        AcDbObjectId ownerId = AcDbObjectId::kNull,
        TCHAR* keyName = NULL) PURE;
    STDMETHOD(GetObjectId)(THIS_ AcDbObjectId* objId) PURE;
    STDMETHOD(Clone)(THIS_ AcDbObjectId ownerId, 
        LPUNKNOWN* pUnkClone) PURE;
    STDMETHOD(GetClassID)(THIS_ CLSID& clsid) PURE;
    STDMETHOD(NullObjectId)(THIS) PURE;
    STDMETHOD(OnModified)(THIS) PURE;
};