C#: Any way to skip over one of the base calls in polymorphism?

user_535637 0
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class GrandParent
{
    public virtual void Foo() { ... }
}

class Parent : GrandParent
{
    public override void Foo()
    {
       base.Foo();

       //Do additional work
    }
}

class Child : Parent
{
    public override void Foo()
    {
        //How to skip Parent.Foo and just get to the GrandParent.Foo base?

        //Do additional work
    }
}

As the code above shows, how can I have the Child.Foo() make a call into GrandParent.Foo() instead of going into Parent.Foo()? base.Foo() takes me to the Parent class first.

virtual-functions overriding polymorphism inheritance c#
7 Answers

All these strong opinions...

Sometimes it just makes sense to use 99% of something...

public class Base
{
  public virtual void Foo()
  {
   // Do something
  }
}

public class DerivedLevel1 : Base
{
  public override void Foo()
  {
    DerivedLevel1Foo();
  }
  protected void DerivedLevel1Foo()
  {
    // Do something
    base.Foo();
  }
}

public class DerivedLevel2 : DerivedLevel1
{
  public override void Foo()
  {
   DerivedLevel2Foo();
  }
  protected void DerviedLevel2Foo()
  {
    // Do something
    base.Foo();
  }
}

public class Special : Derived
{
  public override void Foo()
  {
    // Don't do DerivedLevel2Foo()
    base.DerivedLevel1Foo();
  }
}
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