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Compiler Warning (level 1) CS0672

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Member 'member1' overrides obsolete member 'member2. Add the Obsolete attribute to 'member1'

The compiler found an override to a method marked as obsolete. However, the overriding method was not itself marked as obsolete. The overriding method will still generate CS0612, if called.

Review your method declarations and explicitly indicate whether a method (and all of its overrides) should be marked obsolete.

The following sample generates CS0672:

// CS0672.cs
// compile with: /W:1
class MyClass
{
   [System.Obsolete]
   public virtual void ObsoleteMethod()
   {
   }
}

class MyClass2 : MyClass
{
   public override void ObsoleteMethod()   // CS0672
   {
   }
}

class MainClass
{
   static public void Main()
   {
   }
}