using System;

using System.IO;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("--------BEGIN--------");

        FIVan van = new FIVan();

        van.DisplayType();

        Console.WriteLine("---------END---------");

    }

}

​

public interface IVan

{

    public Type TheType {get;}

    public void DisplayType() => Console.WriteLine("Generic Type associated with this IVan<T> is : " + TheType.ToString());

}

​

public abstract class AVan<T> : IVan

    where T : class//, IEquatable<T>

{

    public Type TheType { get => typeof(T);}

    public void DisplayType() => ((IVan)this).DisplayType();

}

​

public class FIVan : AVan<FileInfo>

{

}