warn_no_explicit_virtual

Controls the issuing of warning messages if an overriding function is not declared with a virtual keyword.

#pragma warn_no_explicit_virtual on | off | reset
  

Example of warn_no_explicit_virtual pragma shows an example.

#pragma warn_no_explicit_virtual on

struct A {
  virtual void f();
};

struct B {
  void f();
  // WARNING: override B::f() is declared without virtual keyword
}

This pragma does not correspond to any panel setting. By default, this pragma is off .