DllGetClassObject, DllCanUnloadNow, and the UpdateRegistry, Revoke, RevokeAll, and RegisterAll member functions of COleObjectFactory fail to locate a class factory defined in the extension DLL.

• DllGetClassObject、DllCanUnloadNow和COleObjectFactory的UpdateRegistry、Revoke、RevokeAll和RegisterAll成员函数未能定位扩展DLL中定义的类工厂。