Welcome to the Lounge

Michael Martin wrote:

It's been over six years since I have logged in full stop

M.D.V.

If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.

Dave Kreskowiak wrote:

Yeah, but it feels ... wrong

M.D.V.

If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.

Dave Kreskowiak wrote:

System.ItDidntWorkException: Something didn't work as expected.

abstract class A
{
    protected virtual void Foo() => Console.WriteLine("A.Foo");
}

abstract class B : A
{
    protected abstract override void Foo();
}

class C : B
{
    protected override void Foo()
    {
        Console.WriteLine("C.Foo");
        // base.Foo(); <-- Can't call the base method here
    }
}

                 Overall Abstract Class                         Framework for processing a "packet"
                /          |           \
               /           |            \
Type 1 Abstract     Type 2 Abstract     Type 3 Abstract         Additional framework for each packet "Class"
              \            |            /
               \           |           /
                  ~60 Concrete Classes                          Supplies processing implementation for each packet

abstract class A
{
  public abstract void X();
  public virtual void R() { return; }
}
abstract class B : A
{
  public abstract override void R();
}
class C : B
{
  public override void X() { return; }
  public override void R() { return; }
}