// cs0239.cs : `X.MyMethod' : cannot override inherited member `Bar.MyMethod' because it is sealed. // Line : 25 using System; public class Foo { public virtual void MyMethod () { Console.WriteLine ("This is me !"); } } public class Bar : Foo { public sealed override void MyMethod () { } } public class X : Bar { public override void MyMethod () { } public static void Main () { } }