| description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid | ||
|---|---|---|---|---|---|---|---|
Learn more about: Compiler Error C2569 | Compiler Error C2569 | 11/04/2016 |
|
| 092bed1e-f631-436c-9586-7750629f6fac |
'EnumOrUnion' : enum/union cannot be used as a base class
If you must derive a type from the specified union or enumeration, change the union or enumeration to a class or structure.
The following sample generates C2569:
// C2569.cpp// compile with: /cunion ubase {}; classcHasPubUBase : publicubase {}; // C2569// OKstructsbase {}; classcHasPubUBase : publicsbase {};