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Compiler Warning (level 4) C4481

Error Message

nonstandard extension used: override specifier 'keyword'

A keyword was used that is not in the C++ standard, for example, one of the override specifiers that also works under /clr. For more information, see,

Example

The following sample generates C4481.

// C4481.cpp
// compile with: /W4 /c
class B {
   virtual void f(unsigned);
};

class C : B {
   void f(unsigned) override;   // C4481
   void f2(unsigned);
};

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