class Foo { public void Do() { /*...*/ } /*...*/ }
class Bar : Foo { public static void Do()  { /*...*/ } /*...*/ }

class Foo { public static void Do() { /*...*/ } /*...*/ }
class Bar : Foo { public void Do()  { /*...*/ } /*...*/ }

class Foo { public void Do() { /*...*/ } /*...*/ }
class Bar : Foo { new public static void Do() { /*...*/ } /*...*/ }

class Foo { public void Do() { /*...*/ } /*...*/ }
class Bar : Foo {
    new public static void Do()
    { new Bar().Do();/*...*/ } /*...*/
}

using System;
using System.Collections.Generic;

class Foo { public void Do() { /*...*/ } /*...*/ }
class Bar : Foo {
    new public static void Do()
    { ((Foo)new Bar()).Do();/*...*/ } /*...*/
}

new public static void Do()
        {
            ((Foo)new Bar()).Do();
        }