How to override a getter-only property with a setter in C#?

Question

Update: This question has been revised to make it clearer. The answers below seem to reflect that this method works well. Hopefully this questio

Answer 1

UPDATE: The following is INCORRECT.

No.

public abstract class A
{
    public abstract int X { get; }

    public int GetXPlusOne()
    {
        return X + 1;
    }
}

You won't change the value of A.X.

var d = new D();
d.X = 10;

d.GetXPlusOne() == 1