Compiler Warning (level 1) C4489
'specifier' : not allowed on interface method 'method'; override specifiers are only allowed on ref class and value class methods
A specifier keyword was incorrectly used on an interface method.
For more information, see Override Specifiers.
Example
The following sample generates C4489.
// C4489.cpp
// compile with: /clr /c /W1
public interface class I {
void f() new; // C4489
virtual void b() override; // C4489
void g(); // OK
};