Compiler Error C2569
Visual Studio 2015
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at Compiler Error C2569.
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: /c
union ubase {};
class cHasPubUBase : public ubase {}; // C2569
// OK
struct sbase {};
class cHasPubUBase : public sbase {};
Show: