compiler-warning-level-1-c4461.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: Compiler Warning (level 1) C4461	Compiler Warning (level 1) C4461	11/04/2016	C4461	C4461	104ffecc-3dd4-4cb1-89a8-81154fbe46d9

Compiler Warning (level 1) C4461

'type' : this class has a finalizer 'finalizer' but no destructor 'dtor'

The presence of a finalizer in a type implies resources to delete. Unless a finalizer is explicitly called from the type's destructor, the common language runtime determines when to run the finalizer, after your object goes out of scope.

If you define a destructor in the type and explicitly call the finalizer from the destructor, you can deterministically run your finalizer.

For more information, see Destructors and finalizers.

Example

The following sample generates C4461.

// C4461.cpp
// compile with: /W1 /clr /c
ref class A {
protected:
   !A() {}   // C4461
};

// OK
ref struct B {
   ~B() {
      B::!B();
   }

   !B() {}
};